Environmental factors have a significant impact on the phenotypes of organisms other than humans. Three examples from nature include temperature, sunlight, and nutrient availability.
In humans, an environmental factor that affects phenotype, apart from genes, is nutrition. Adequate nutrition during critical periods of growth influences physical development, including height, weight, and overall health. Additionally, exposure to toxins in the environment can impact human phenotypes. Substances like pollutants, chemicals, or drugs can cause physical changes, affect organ function, or have long-term health consequences.
Understanding these non-genetic factors is essential as it provides insights into the complex interplay between genes and the environment. It helps identify potential risks, develop strategies for promoting health, and make informed decisions regarding nutrition and exposure to toxins. This knowledge contributes to a comprehensive understanding of how phenotypes are influenced and aids in promoting overall well-being.
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Which one of the following is not a characteristic of the organisms included in the kingdom Animalia ?
A. Multicellularity
B. Presence of eukaryotic cells without walls
C. Obtaining nutrients by ingestion
D. Storage of carbohydrates as starch
The following is not a characteristic of the organisms included in the kingdom Animalia : D. Storage of carbohydrates as starch
The kingdom Animalia consists of a wide variety of organisms, including insects, birds, mammals, fish, and many others. One of the key characteristics that unites all of these organisms is that they are multicellular, meaning they are made up of many cells. This stands in contrast to organisms in other kingdoms, such as bacteria, which are typically unicellular.
Another important characteristic of animals is that they have eukaryotic cells without walls. Eukaryotic cells are more complex than prokaryotic cells (like those found in bacteria) and are characterized by having a nucleus and other membrane-bound organelles. Animals also lack cell walls, which is a key feature that distinguishes them from plants, fungi, and some other organisms.
Finally, when it comes to storing carbohydrates, animals typically store them as glycogen, not starch. While both glycogen and starch are polysaccharides (complex carbohydrates), glycogen is the primary storage form of glucose in animals, while plants typically store glucose as starch.
So, the correct answer is D: Storage of carbohydrates as starch.
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Diacuss how humans change balance of the park ecosystem
Humans can significantly alter the balance of park ecosystems through various activities and interventions, which can have both positive and negative effects on the overall ecological equilibrium.
One way humans impact park ecosystems is through habitat modification. Construction of infrastructure, such as roads, buildings, and recreational facilities, can disrupt natural habitats, fragmenting landscapes and displacing native species.
Deforestation for agricultural purposes or urbanization further reduces the available habitat for wildlife, potentially leading to the decline or extinction of certain species.
Introducing non-native species is another human-induced change that can disrupt the balance of park ecosystems.
Non-native species may outcompete native species for resources, becoming invasive and causing a decline in biodiversity. These invasives can alter food chains, disrupt natural interactions, and negatively impact the survival of native flora and fauna.
Additionally, human activities like hunting, fishing, and poaching can disrupt predator-prey dynamics, leading to imbalances within park ecosystems.
Overfishing can deplete fish populations and disrupt aquatic food webs, while excessive hunting can lead to the decline of predator species or the overpopulation of prey species.
However, humans can also contribute positively to park ecosystems through conservation efforts. Implementing sustainable practices, restoring degraded habitats, and reintroducing native species can help restore ecological balance.
Conservation education and responsible tourism can raise awareness about the importance of preserving park ecosystems and encourage practices that minimize human impact.
In summary, human activities can have both detrimental and constructive effects on park ecosystems. Understanding the consequences of our actions and implementing sustainable practices are vital for maintaining and restoring the delicate balance of these valuable natural habitats.
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what is photo synthesis
Answer:
photosynthesis is the process where plants use the sun's energy and carbon dioxide to produce food(gluscose)
photosynthesis is the process where plants(producers)get energy from the sun to grow their food
which two structures are found on each side of the vaginal opening?
On each side of the vaginal opening, there are two structures present which are called labia majora and labia minora.
The opening of the vagina, which is an elastic, muscular canal that stretches from the cervix (lower part of the uterus) to the vaginal opening in the female reproductive system, is known as the vaginal opening. The vulva is a term used to describe the external female genital organs, which include the vaginal opening, labia. The labia majora and minor are two structures found on each side of the vaginal opening.
The labia majora, also known as the outer lips, are the thick folds of skin that surround the vaginal opening and protect the genital region. The labia minora, or inner lips, are thin, hairless folds of skin that are located just inside the labia majora. Both the labia majora and minora are sensitive to touch and contain numerous nerve endings, which contribute to sexual pleasure.
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Aaron, Blaine, and Cruz are solving the equation
4
7
(7 − n) = −1.
Aaron started his solution by multiplying both sides
of the equation by
7
4
.
Blaine started by using the distributive property to
multiply
4
7
by both 7 and −n.
Cruz started by dividing both sides of the equation
by
4
7
.
Which of the following is true?
Blaine and Cruz made an error in picking their first steps.
Cruz made an error in picking his first step.
All three made an error because the right side equals -1.
All three chose a valid first step toward solving the equation.
Cruz made an error in picking his first step. Therefore, option B is correct.
Aaron's step: Multiplying both sides by 7/4. This step is valid because multiplying both sides of an equation by the same non-zero value does not change equality.
Blaine's step: Using the distributive property to multiply 4/7 by both 7 and -n. This step is also valid because it correctly applies the distributive property to the expression.
Cruz's step: Dividing both sides by 4/7. This step is incorrect because dividing both sides of an equation by a non-zero value does not preserve equality. To solve for 'n', Cruz should have multiplied both sides by 7 - n instead.
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Answer:
yo
Explanation:
its D
or
All three chose a valid first step toward solving the equation.
Plants regulating their _____ is the most important function for a plant.
a. ion balance
b. root structure
c. water loss
d. hormone balance
If you answer correctly I will give you brainliest!
Answer:
I believe it is A, it is a crucial part of the process
Plants regulating their ion balance is the most important function for a plant. Thus, the correct option is A.
What is ion balance in plants?Plants also need nutrients for the healthy growth in plants. Carbon dioxide is obtained from air. Inorganic ions in the plants are obtained from the soil where they are dissolved in water in plant body. The three ions which are required in the greatest amounts are nitrate, phosphate, and potassium which are the sources of nitrogen (N), phosphorus (P), and potassium (K), respectively.
The range of unbalance between the positive ions and negative ions in the plant body is called ion balance.
Therefore, the correct option is A.
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what is the difference be ionizing and non-ionizing electromagnetic waves? be sure to provide examples of each type of wave as well as an explanation on how it impacts dna.
Non-ionizing radiation has a lower energy level than ionizing radiation. Non-ionizing radiation, as opposed to ionizing radiation, does not take electrons from the atoms or molecules of materials such as air, water, and living tissue.
Ionizing radiation is found at higher frequencies of electromagnetic radiation, such as x-rays and gamma rays. Non-ionizing radiation includes ultraviolet (UV), infrared (IR), microwave (MW), radio frequency (RF), and very low frequency (ELF) radiation.
Radiation can be classed as non-ionizing or ionizing. Non-ionizing radiation has a longer wavelength/lower frequency and therefore less energy. Ionizing radiation has a shorter wavelength and a higher frequency. Ionizing radiation has enough energy to create ions at the molecular level in materials.
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Identify the characteristic of life for the following statement below1. ____________________”My friend got 3 inches taller in one summer”
In this statement, the characteristic of life is growth, i.e the increase in number and size of cells.
If the tube is permeable to iodine, what color would you expect the contents to change? [ orange / purple / no change ]
Answer:
The answer is If we did an experiment in which the iodine solution was placed in the baggie and the starch solution was in the breaker the iodine would move out the baggie. Once the iodine makes it way out the baggie the starch would change color.
Explanation:
sensory neurons: are part of the system consisting of the brain and spinal cord. carry signals from the spinal cord to the muscles to produce movement. communicate back and forth between the brain and the extremities. transmit sensory information to the central nervous system.
Transmit sensory data to the brain and spinal cord in central nervous system. Our brains must receive sensory information in order to grow and continue to work properly.
Research indicates that humans may be possible to be using sensory input to construct better neural circuitry, despite the fact that there is still much to learn about how the brain functions. The component of the nervous system that processes environmental input is known as the sensory system. The nerve impulses and their associated receptors quickly convey information, starting with detection and continuing through the passage of impulses to the central nervous system. The brain and spinal cord make up the central nervous system, whereas the rest of the body is made up of the peripheral nervous system. Receiving, processing, and reacting to sensory data are duties of the central nervous system.
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Which of the following describes an adaptation that relates to reproduction?
A. Hawks have sharp beak to help them quickly catch their prey
B. Elks attach leaves and grasses to their antlers to help them appear larger
C. Polar bears have white fur to help them blend into their surrounding
environment
D. Whales have a thick layer of fat called blubber to help keep them warm
Answer:
B. Elks attatch leaves and grasses to their antlers to help them appear larger.
Explanation:
Reason 1: If the Elk appears larger other male Elks would be too scared to fight that Elk for a female. Reason 2: The female Elk will be more attracted to the larger male Elk even if it's largeness is fake.
How many nucleotides are needed to make a single codon?
Codons are units of genomic information made up of three nucleotides (trinucleotides) in DNA or RNA that code for a specific amino acid or indicate the end of synthesis of proteins (stop signals).
For encode 20 amino acids, a codon must include at least three nucleotides. A codon is made up of three nucleotides. One amino acid corresponds to one codon. The "trinucleotide code," a set of three nucleotides which determines a single amino acid, is tucked away in the genetic code. The four nucleotides included in mRNA — A, U, G, & C — can be combined in a total of 64 distinct ways since codons are three-letter structures. Nucleotide triplets, also known as codons, are groups of three DNA bases that are converted into amino acids in the following order: GCA to alanine, Atg to amino, GAT to aminoacids, Ata to asparagine.
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which phrase best defines biotechnology? responses the practice of using technology in science experiments the practice of using technology in science experiments the science that involves using living organisms to produce needed materials the science that involves using living organisms to produce needed materials the use of technology to solve medical problems in living organisms
Biotechnology defined the responses of the practice by using technology in science experiments the practice of using technology in science that involves using living organisms to produce needed materials and technology to solve medical problems in living organisms.
An example of a biotechnology is brewing and baking bread by using this technology that utilizes living organisms, biological systems or parts of this to create or develop different products. In order to achieve the application of organisms, cells and molecular analogues for products and services that referred to the integeration of natural science.
Biotechnology is used for the potential for vaccines, drugs, to create novel diagnostics and other medical countermeasures needed to detect and prevent or treat infectious diseases.Team work and communication skills, Complex problem solving innovative thinking skills are needed for biotechnology.
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What do hitting a tennis ball and a heartbeat have in common?
Upon hitting a tennis ball and a heartbeat have something in common in terms of rhythm and timing.
Both require precise timing and coordination between different parts of the body. In tennis, hitting a ball successfully requires perfect timing and coordination between the hand, arm, eye, and foot. Similarly, the heartbeat also involves a complex coordination between different parts of the heart to maintain a steady rhythm and beat. In both cases, any disruption in timing or coordination can result in a failed attempt, be it missing a shot in tennis or a heart arrhythmia. Thus, hitting a tennis ball and a heartbeat both require the synchronization and coordination of different parts of the body to achieve a successful outcome.
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To people who have shifted realities, how long did it take you? (don't know what subject to pick)
Answer: Around 20 min.
Explanation:
1. What are two of the evidence-based ways that solar parks can be modified to protect and enhance pollinator biodiversity, according to these researchers?
According to researchers, there are two evidence-based ways to modify solar parks to protect and enhance pollinator biodiversity.
The first method involves incorporating native flowering plants within the solar panel arrays. This provides a habitat for pollinators such as bees and butterflies, increasing their numbers
. The second method involves reducing the frequency of mowing or maintenance in the areas surrounding the solar panels.
This allows for the growth of natural vegetation, which provides a food source for pollinators and also creates a more natural habitat. Both of these modifications have been shown to positively impact pollinator biodiversity in solar parks, making them more environmentally sustainable.
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True/False: The brain weighs about 3.31bs, has 86 billion cells and about 968 trillion connections.
False. The brain does not weigh about 3.31bs, does not have 86 billion cells, and does not have about 968 trillion connections.
The statement is false. While the brain's weight, the number of cells, and the number of connections can vary from person to person, the numbers provided in the statement are inaccurate.
The weight of the human brain typically ranges from around 2.6 to 3.3 pounds (approximately 1.2 to 1.5 kilograms). However, it's worth noting that brain weight alone does not directly correlate with cognitive abilities or intelligence.
Regarding the number of cells, the human brain is estimated to have around 86 billion neurons, which are the primary cells responsible for transmitting electrical signals. However, the brain also contains other types of cells, such as glial cells, which support and nourish the neurons.
As for the number of connections, also known as synapses, it is challenging to precisely quantify the exact number. Estimates vary, but it is believed that the human brain has trillions of synapses, far exceeding the 968 trillion mentioned in the statement. Synapses play a crucial role in communication between neurons and are essential for information processing in the brain.
In summary, while the brain's weight, number of cells, and number of connections can vary, the specific figures provided in the statement are not accurate.
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What substance is used to make up nerve fibre
Answer:Myelin is a lipid-rich (fatty) substance that surrounds nerve cell axons (the nervous system's "wires") to insulate them and increase the rate at which electrical impulses (called action potentials) are passed along the axon.
Explanation:
Which of the following phase II metabolic reactions makes phase I metabolites readily excretable in urine?
A. Oxidation.
B. Reduction.
C. Glucuronidation.
D. Hydrolysis.
E. Alcohol dehydrogenation.
C. Glucuronidation.
Moreover, Phase II reactions consist of the addition of hydrophilic groups to the parent molecule, a toxic intermediate, or a nontoxic metabolite formed in Phase I that requires further transformation to increase its polarity. These reactions include conjugation reactions, glucuronidation, acetylation, and sulfation.
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All Hawaiian honeycreeper bird species have similar skeletal and muscle structures. However, each Hawaiian honeycreeper species has a bill specialized for eating certain foods. What would a scientist most likely conclude based on this observation?
a. Artificial selection shaped the bill for eating certain foods.
b. Increased genetic variation resulted in similar skeletal and muscle structure.
c. Changes in each honeycreeper species occurred independently but resulted in similar traits.
d. Honeycreepers arose from a single species that migrated to Hawaii and adapted to different
Based on the given observation, the scientist would most likely conclude that the Honeycreepers arose from a single species that migrated to Hawaii and adapted niches over time (d).
It suggests that all Hawaiian honeycreepers arose from a single species that migrated to Hawaii and adapted to different niches over time. However, the fact that each honeycreeper species has a bill specialized for eating certain foods suggests that they evolved independently in response to different ecological niches, rather than from a single species that was already adapted to all the available niches. The Hawaiian honeycreepers are a group of birds that are endemic to the Hawaiian Islands. While they share similar skeletal and muscle structures, each species has a bill that is specialized for eating certain types of food, such as nectar, fruit, or insects. This suggests that each species has evolved in response to the different ecological niches available on the islands. It is also thought that the honeycreepers evolved from a common ancestor that migrated to Hawaii, and then diverged into the different species over time.
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Which of the following environments would benefit a population of asexually-reproducing organisms most?
A.
an environment that experiences very little change
B.
an environment that contains a large number of potential mates
C.
an environment in which the temperature fluctuates rapidly
D.
an environment that undergoes a variety of climate changes
Answer:
A with little change
Explanation:
Asexually reproducing animals can’t adapt well to change as they are all genetically identical
The city of Green Valley, Arizona, is trying to determine where to locate a new fire station. The fire station is expected to serve four neighborhoods.
Neighborhood X coordinate Y coordinate Number of homes
Birchwood 0.5 3.5 172
Cactus Circle 2 0.5 42
De La Urraca 3 1.5 223
Kingston 3 1 44
a The X* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
b. The Y* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
c. What other factors might come into play when making the final decision?
a. Zoning Considerations
b. Distance from other fire stations
c. Available space
d. All of the above.
(a) The X* coordinate of weighted center of gravity for new fire station is 1.82. (b) The Y* coordinate of weighted center of gravity for new fire station is 2.06. (c) The factors might come into play when making the final decision is Zoning Considerations, Distance from other fire stations, Available space. Option D is correct.
To determine the location for the new fire station in Green Valley, we need to calculate the weighted center of gravity based on the coordinates and the number of homes in each neighborhood.
The X* coordinate of the weighted center of gravity can be calculated using the formula;
X* = (X₁ × N₁ + X₂ × N₂ + X₃ × N₃ + X₄ × N₄) / (N₁ + N₂ + N + N₄)
where X₁, X₂, X₃, X₄ are the X coordinates of the neighborhoods, and N₁, N₂, N₃, N₄ are the number of homes in each neighborhood.
Using the given data:
X* = (0.5 × 172 + 2 × 42 + 3 × 223 + 3 × 44) / (172 + 42 + 223 + 44)
X* ≈ 1.82
Therefore, the X* coordinate of the weighted center of gravity for the new fire station is approximately 1.82.
The Y* coordinate of the weighted center of gravity can be calculated using the same formula, replacing the X coordinates with Y coordinates:
Y* = (Y₁ × N₁ + Y₂ × N₂ + Y₃ × N₃ + Y₄ × N₄) / (N₁ + N₂ + N₃ + N₄)
Using the given data:
Y* = (3.5 × 172 + 0.5 × 42 + 1.5 × 223 + 1 × 44) / (172 + 42 + 223 + 44)
Y* ≈ 2.06
Therefore, the Y* coordinate of the weighted center of gravity for the new fire station is approximately 2.06.
When making the final decision on the location of the fire station, several other factors might come into play;
Zoning Considerations: The city needs to consider any zoning regulations or restrictions that might limit the potential locations for the fire station.
Distance from other fire stations: The proximity to existing fire stations is an important factor to ensure efficient coverage and response times across the area.
Available space: The availability of suitable land or buildings that meet the requirements for a fire station, such as accessibility, size, and infrastructure, should be considered.
Ultimately, the decision should take into account a combination of factors, including zoning considerations, distance from other fire stations, and available space. This comprehensive approach ensures that the fire station is strategically located to serve the four neighborhoods effectively and efficiently.
Hence, D. is the correct option.
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how does the body maintain a constant partial pressure of oxygen in the arteries even as exercise intensity increases?
During exercise, the body needs more oxygen to meet the increased demand of the muscles.
To maintain a constant partial pressure of oxygen in the arteries, the body employs a few mechanisms:
1. Increased breathing rate: During exercise, the respiratory rate and depth of breathing increase. This allows more oxygen to be taken in and delivered to the lungs for oxygenation.
2. Increased heart rate: The heart pumps blood faster during exercise, which means that oxygen-rich blood is delivered to the tissues more quickly.
3. Vasodilation: The arteries supplying the muscles dilate during exercise. This widening of the blood vessels allows for increased blood flow, delivering more oxygen to the muscles.
4. Red blood cell production: With regular exercise, the body adapts by producing more red blood cells. Red blood cells carry oxygen, so an increase in their numbers enhances the oxygen-carrying capacity of the blood.
By combining these mechanisms, the body ensures that a constant partial pressure of oxygen is maintained in the arteries, even as exercise intensity increases. These adaptations support the increased oxygen demand of the muscles and promote optimal functioning during physical activity.
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What plate boundary have two plates moving torward eachother
Answer: convergent boundary
Explanation:
English ivy is a plant that has the ability to grab onto objects and grow upward to get sunlight. This ivy can also be found growing flat along the ground. What causes the variation in the ivy growth?
A. The ivy grows according to how its parents grew, and ivy that grows upward must be a different species than ivy that grows along the ground.
B. The ivy grows where it will be able to blend into its environment to avoid predation.
C. The ivy grows where it will receive the least amount of sunlight for photosynthesis.
D. The ivy grows according to its environment, and ivy that grows upward has things nearby to climb, while ivy that grows on the ground does not.
Answer: I think its C but I'm not really sure this is more like an educated guess haha because I know that ivy grows the best in partial to full shade.
Explanation:
Answer:
D
Explanation:
I initially thought it was D because C doesn't make sense. Why would the ivy grow away from the sunlight and not towards it? Plants have no knowledge of how their predecessors grew, and I don't think the type of ivy matters. But please correct me if I'm wrong.
Conflict is the main problem in a story. There are four types of conflict and sometimes stories may use more than one. Please match the conflict types with their definitions.
Question 3 options:
There is a force of nature that creates a problem for the main character.
The main character faces an internal decision or battle.
The main character faces a conflict with another character in the story.
The main character faces a conflict with a group, community, or culture.
1.
Individual vs. Individual
2.
Individual vs. Self
3.
Individual vs. Nature
4.
Individual vs. Society
There is a force of nature that creates a problem for the main character - individual vs. nature
The main character faces an internal decision - individual vs. self
The main character faces a conflict with another character. in the story - individual vs. individual
The main character faces a conflict with a community , group, or culture - individual vs. society
Explanation:
This was a very easy question :/
Which of the following is NOT a function of the muscular
system?
A. Produces red blood cells
B. Pumping blood
C. Produce body heat and regulate body temperature
D. Movement
E. Protecting the body's organs
F. Breathing
Answer:
a
Explanation:
Can someone help me with these 2 questions?
Answer:
1.We'd all die. Explanation: If we were a newly fertilized egg, we wouldn't develop. We'd stay that fertilized egg. If we were a full sized adult, we wouldn't heal wounds, wouldn't replace cells (you lose about 40,000 skin cells every minute - so you'd run out of skin in a short time if you didn't have cell division).
2A mutation occurs during the development of muscle cells but not in blood cells. Different genes are activated in muscle cells than in blood cells. Muscle cells experience different environmental influences than blood cells. Muscle cells are produced by the brain, but blood cells are produced by the heart.
Explanation: Hope this helps!! :)) Mark me Brainliest, Thanks !! :))
In an article about saving the whales written by a marine biologist, which word might be used by the author to make you want to help with saving the whales?
Answer:
Endangered
Explanation:
Endangered species are organisms that are at risk of extinction if deliberate efforts are not made to conserve them due to a rapid decrease in their population.
Hence, if a marine biologist writes an article about saving whales and labels them as endangered species, all efforts should be geared towards saving the animals lest they go extinct and leave a vacuum in the functioning of the ecosystem. Every species have the critical roles they play in the functioning of the ecosystem and the extinction of any particular species represents a loss that might not be replaceable.
Answer:
endangered
i did the USAtestprep
Suppose there are 70 bacteria in a Petri dish at start time. Nine hours later, there are 230 bacteria in the dish. 1.) Express the number of bacteria, P, as a function of t hours passed. Note: Round the growth rate to 4 dec. places. P(t)= 2.) Use the model from part a to determine the number of bacteria, rounded to a whole number, in the dish after 14 hours:
The number of bacteria in the dish after 14 hours, rounded to the nearest whole number, is approximately 946.
1.) To express the number of bacteria, P, as a function of time, t, we can use the exponential growth formula:
P(t) = P0 * e^(rt)
Where P0 is the initial number of bacteria, r is the growth rate, and e is the base of the natural logarithm.
Given that there are 70 bacteria initially and 230 bacteria after 9 hours, we can use these data to find the growth rate, r. Rearranging the formula:
r = ln(P(t)/P0) / t
Substituting the values:
r = ln(230/70) / 9
After performing the calculations, the growth rate is approximately 0.2275 (rounded to 4 decimal places).
Therefore, the function representing the number of bacteria, P, as a function of time, t, is:
P(t) = 70 * e^(0.2275t)
2.) To determine the number of bacteria in the dish after 14 hours using the model obtained in part 1, we substitute t = 14 into the equation:
P(14) = 70 * e^(0.2275 * 14)
P(14) = 946
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