Answer:
Density independent factors affect populations regardless of their size. Examples are winter, drought, forest fires. These factors are mostly abiotic (non-living). Predation affects population size.
disease
The factors that will affect a population regardless of population density is flooding. The correct option is C.
What is population?A population is the entire group about which you want to draw conclusions. A sample is the specific group from which you will collect data.
The sample size is always less than the total population size. A population for this research does not necessarily refer to people.
A population is a subset of individuals from one species that live in a specific geographic area and interbreed in reproducing species. Some species' geographic boundaries are easy to establish, while others are more difficult.
Population change is influenced by three factors: birth rate, death rate, and migration. Though one or two of these factors may have an impact on a population in a specific area, all three have an impact on population change.
Thus, the correct option is C as the population can be get affected by flooding without regarding their density.
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Which letter would represent the Sun on the
HR-Diagram below?
A
D
B
A
Brightness
C
B
Temperature
E
D and E
с
The Science Duo
x
QUE
*
Answer: A
Explanation:
It has the highest temperature + brightness
The _____ control(s) the force of a movement, whereas the_____ control(s) the timing and accuracy of the movement.a.motor cortex; basal gangliab.basal ganglia; motor cortexc.basal ganglia; cerebellumd.cerebellum; basal ganglia
The basal ganglia A movement's force is controlled by the cerebellum, while its timing and accuracy are controlled by the cerebellum.
What determines a movement's force?The Motor Complex The brain is in charge of all voluntary actions of the body. The motor cortex is one of the parts of the brain that is most crucial in regulating these voluntary movements.
What function does the basal ganglia play in motor control?The network of brain cells and nerves that manages your body's voluntary motions includes the basal ganglia as a significant component. Your brain sends movement signals that they can either approve or reject, screening away erroneous or superfluous impulses.
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Describe what must happen for fertilisation to take place in humans.
In the process of sexual reproduction, mating of male gamete and female gamete is required for the fertilization to take place in humans.
A gamete is an animal or plant reproductive cell. Male gametes in animals are known as sperm, while female gametes are known as ova or egg cells.
Fertilization is the process in which a woman's egg combines with a man's sperm to form an embryo.
Usually, the fallopian tube that connects an ovary to the uterus is where fertilization occurs. An embryo begins to develop if the fertilized egg successfully passes through the fallopian tube and implants in the uterus.
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to occur where faults are 1) Earthquakes are located. 3- less likely more likely
Answer & Explanation:
Earthquakes can strike at any location on Earth and at any point of time. However, some parts of the Earth are more prone to earthquakes than others. Earthquakes happen along the edges of tectonic plates and fault lines and there are three large zones on our planet which are most susceptible to earthquakes.:-)
Read each example and identify whether the data
are observations or inferences from observations.
The fish's ventral fin measured 8.5 cm long.
1. Observation 2. Inference 3. Inference 4. Observation 5. Inference.
Observing is capturing a property or a change by using the senses with or without the aid of an instrument. It does not involve judgement or reasoning.
1. The fish’s ventral fin measured 8.5 cm long.
Observation:- The size of the fish's ventral find is measured with an instrument; reasoning is not involved. The population of protozoans in the lake has increased since there is an increased level of carbon dioxide in the water.
Inference:-It is an inference because the population is measured but the reason why it increased is a conclusion or hypothesis product of analysis (reasoning). It is based on evidence, but not the evidence per se.
Inference:-The grizzly bear’s tracks were 5.5 cm deep in the mud; therefore, it weighs 410 kg:
Observation:-Many fish bones were found around the eagles’ nest; therefore, the eagles were eating fish.
Inference :- This is an inference, because it is a conclusion or hypothesis. Many fish bones were observed around the eagles'nest, but the eagles were not seen eating fish, but the observer thought (concluded) that the evidence of the fish bones supported the conclusion that the eagles were eating fish.
Disclaimer: your question is incomplete, please see below for complete ques9tion
are observations or inferences from observations.
The fish's ventral fin measured 8.5 cm long.
The grizzly bear's tracks were 5,5 cm deep in the
mud; therefore, it weighs 410 kg.
inference is
observation pne in the atmosphere increased to
34 parts per billion after the thunderstorm,
The population of protozoans in the lake has
increased since there is an increased level of
carbon dioxide in the water.
Many fish bones were found around the eagles'
nest; therefore, the eagles were eating fish,
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Explanation:
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Which organelle would not be found in a prokaryotic cell? A) nucleus b)cell membrane c)Cytoplasm d)Genetic material
Answer:
\(A) nucleus\)
What are some perspectives on the issue of Recycling
Draw the egg and label it
Answer:
What egg?
Explanation:
Answer:
/’‾‾‾`\
/ \
| |
\.____./
Why is so important for dentists to check what kind of heart disease the patients have before treatment, and why some patients who have heart disease require to take pre-medication before some dental treatments. If a 10 years old kid who has heart murmur, should he undergo general anesthesia for dental treatment due to he has excessive caries.
National Human Genome Research Institute (Human Genome Project) Public domain, via Wikimedia Commons
Humans normally have 46 chromosomes spread out over 23 pairs. Down syndrome, also known as trisomy 21, occurs when there's an extra chromosome at the chromosome 21 pair (shown above).
Which of the following answer choices best explains a mechanism as to how Down syndrome might occur?
Answer: CORRECT (SELECTED)
Sister chromatids fail to separate at chromosome 21 during anaphase II in a parent's gamete.
Explanation:
This failure to separate results in the formation of a gamete that has two chromosomes at spot 21 when they should only have one. When this gamete fuses with the other parent's gamete, a total of three chromosomes are at spot 21 in the offspring.
Down syndrome is due to sister chromatids failing to separate at chromosome 21 during anaphase II in a parent's gamete.
What are sister chromatids?Sister chromatids are each one of the duplicated genetic material during meiosis that may contain different genomic fragments due to cross-over after prophase I.
Each chromosome contains 2 sister chromatids, thereby diploid cells contain 2 homologous chromosomes and 4 sister chromatids before meiosis II.
In conclusion, Down syndrome is due to sister chromatids failing to separate at chromosome 21 during anaphase II in a parent's gamete.
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Do plants take in air with their roots?
Answer:
No
Explanation:
No, plants do not take in air with their roots. Roots are designed to absorb water and minerals from the soil. In order to get the air and carbon dioxide they need for photosynthesis, plants have specialized structures called stomata in their leaves and stems that allow air to enter and exit. These stomata regulate the movement of gases into and out of the plant, so the plant can take in the carbon dioxide it needs and release the oxygen it produces.
ATP Synthase is a channel for protons to pass from and area of High concentration to an area
of low concentration. This makes in an example of:
Active Transport
Filtration
Facilitated Diffusion
Osmosis
Exocytosis
Part B What are two strengths and two weaknesses of your model?
Answer:
strength: it provides raw material for plants and major component of food.
weaknesses: it increases earth's temperature and change the habitat.
Explanation:
The diagram shows the carbon cycle which is important cycle present on the earth. This carbon is present in carbondioxide form which is used as a raw material by plants in order to make their own food. This carbon is also present in different organic compounds. When its concentration increases in the atmosphere, the temperature of the atmosphere increases and many areas are not suitable to live for many plants and animals.
Question 17 Multiple Choice Worth 5 points)
(04.03 MC)
The state of Alabama is humid, with well-distributed rainfall that keeps soil well saturated. Classify what type of climate Alabama has.
O Aridic
O Aquic
OUdic
Ustic
Aquic. Alabama has an "Aquic" climate, which is typified by a humid environment with evenly distributed rainfall that maintains the soil well-saturated.
Udic soil moisture is what?The soil moisture control section of the udic moisture regime is one in which no part of the section is dry for as long as 90 cumulative days in typical years.
What does UDIC vs. aquic soil mean?Crops can grow on soils with an udic moisture regime because they have enough moisture. Although irrigation is usually required for crops in a ustic moisture regime, crops can be grown in the udic moisture regime without it. The majority of agricultural techniques require artificial drainage on soils with an aquic moisture regime.
Aquic: What is it?geology term for a soil that has already been saturated with water; aquic (not comparable).
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Where is a meteorite found?
1) in space
2) in earth’s atmosphere
3) hitting the sun
Answer:
In space
Explanation:
Because it would be weird if it would be in earth's atmosphere, and hitting the sun is rare. Most likely to come from space
Answer:
In Space.
Explanation:
All meteorites come from inside the solar system. Most break off from an asteroid in the asteroid belt and circle the sun. But they come from Space.
The loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain.
Please select the best answer from the choices provided
Truth or false
Answer:
true
Explanation:
Is the overall air quality in this country is better now than it was 40 years ago.
our pancreatic beta cells first make then secrete insulin. you would expect to see a relatively large amount of which organelles in these cells
The protein hormone insulin is produced and secreted by beta cells in the pancreas. Rough endoplasmic reticulum and Golgi apparatus are the organelles that contain a significant amount of this material. Option (c).
The pancreatic islets of Langerhans' -cells produce insulin in response to an increase in intracellular Ca2+ concentration ([Ca2+]i). This is brought on by an external Ca2+ influx through voltage-dependent Ca2+ channels, whose activity is in turn controlled by the membrane potential of the -cell.
In order to keep blood glucose levels within a specific physiological range, the pancreatic beta cells produce, store, and release insulin, the anti-hyperglycemic hormone that competes with glucagon, growth hormone, glucocorticoids, adrenaline, and other hyperglycemic hormones.
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Correct Question :
Beta cells in the pancreas produce and secrete the protein hormone insulin. In which organelles in these cells can a relatively large amount be seen?
A. Smooth endoplasmic reticulum and lysosomes
B. Cytoskeleton and peroxisomes
C. Rough endoplasmic reticulum and Golgi apparatus
D. Flagella and cilia
. Imagine the following scenario. A bacteriophage taken for the treatment of cholera infects a cholera-causing bacterium and temporarily enters the lysogenic stage. When the virus re-enters the lytic cycle, it includes some pieces of the bacterial DNA in its own genome. Specifcally, this DNA encodes information for making the cholera toxin. Imagine some of the possible consequences of this scenario. What will happen to the next bacteria that the virus infects
Answer:
The virus will transfer the DNA encoding cholera toxin to the next bacteria it infects, which will make that bacteria cholera-causing.
Explanation:
The process described in this question is a kind of gene transfer in bacteria called TRANSDUCTION. Transduction is the transfer of fragments of DNA from one bacterium to another via a virus called bacteriophage.
As stated in this question, the virus (bacteriophage) infects a cholera-causing bacterium. The bacteriophage moves from lysogenic cycle to lytic cycle and includes some pieces of the bacterial DNA, which encodes information for making the cholera toxin, in its own genome.
This means that the cholera-making toxin DNA is now a part of the virus's genome and hence, will transfer it to the next bacteria it infects in a process called TRANSDUCTION. This will make that bacteria a cholera causing bacteria.
Carbohydrates _____
In the body are primarily fats
Are primarily sugars and starches
Are the most readily available source of energy for organisms
Are the largest of the four main biological macromolecules
Are primarily sugars and starches
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Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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is there a difference between water potential and water potential gradient?
Answer:
yes
Explanation:
water potential is energy required, per quantity of water, to transport an infinitesimal quantity of water from sample to a reference pool of pure free water.
water potential gradient is the difference in the water potential of two liquids.
Which of the following best describes the trajectory of a projectile?
A.) The height of the shooter
B. )The path of the flight of a bullet
C. )The housing for the bullet’s gunpowder
D. )The pattern of lands and grooves on the projectile
Answer:
It's obviously B.
Explanation:
If there is a neutral atom with atomic number of 12, how many electrons will be in its outermost energy level?
Answer:
2
Explanation:
The atomic number of 12 is Magnesium has the following number of electrons in their respective shell 2,8,2 .. Where 2 is the electron in the outermost shell..
What happened during the Industrial revolution video?
Answer:
I need a link to watch the video
Answer:
Here's is your ans pic
Explanation:
Tq
What is it called when a species not native to an area species that invade the ecosystem and outcompete the native species causing the native species to decline potentially to extinction?
The phenomenon where a non-native species invades an ecosystem and outcompetes the native species causing the native species to decline potentially to extinction is called "invasive species.
It occurs when non-native species, also known as invasive species, establish themselves and thrive in an ecosystem, causing harm to the native species. Invasive species possess traits that give them a competitive advantage over the native species, such as rapid reproduction, efficient resource utilization, and resistance to local predators or diseases.
The consequences of biological invasions can be severe. The invasive species can outcompete native species for resources like food, habitat, and water, leading to a decline in native populations.
They may also directly predate upon or introduce diseases to native species, further exacerbating their decline. In some cases, the native species are pushed to the brink of extinction or even driven to extinction.
Biological invasions are a significant global concern due to their ecological, economic, and social impacts. They can disrupt ecosystem functioning, alter natural habitats, reduce biodiversity, and cause economic losses in industries like agriculture, forestry, and fisheries.
Efforts are made to prevent and control invasive species through monitoring, early detection, and management strategies such as eradication, containment, and control programs to mitigate their negative effects and protect native species and ecosystems.
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PLEASE HELP 100 POINTS
Type the correct answer in each box. Spell all words correctly.
Complete the statement about memory improvement.
involves organizing and breaking down information into easier groups to expand capacity. Rehearsal is the verbal repetition of information. These techniques are especially important for the improvement of
memory.
Answer:
Chunking
Short term
Explanation:
Chunking involves organizing and breaking down information into easier groups to expand capacity. Rehearsal is the verbal repetition of information. These techniques are especially important for the improvement of short term memory.
Answer:
Chunking involves organizing and breaking down information into easier groups to expand capacity. Rehearsal is the verbal repetition of information. These techniques are especially important for the improvement of short-term memory.
Explanation:
Chunking involves organizing and breaking down information into easier groups to expand capacity. Rehearsal is the verbal repetition of information. These techniques are especially important for the improvement of short-term memory.
Short-term memory, also known as working memory, is the cognitive system responsible for temporarily holding and manipulating information in the mind to support ongoing cognitive tasks. It has a limited capacity and duration, meaning that it can only hold a certain amount of information for a short period of time.
Chunking involves grouping information into meaningful units, which helps to reduce the number of items that need to be remembered and make it easier to recall them. For example, instead of trying to remember a long list of numbers, such as "8675309," you could group them into smaller chunks like "867-53-09." This results in fewer items to be remembered and a more efficient use of short-term memory.
Rehearsal can also aid in improving short-term memory by keeping the information active in the mind through repetition. This can involve repeating a phone number several times to remember it long enough to dial, or repeating a list of words to remember them for a brief period of time.
In summary, chunking and rehearsal are important techniques for improving short-term memory, which is responsible for temporarily holding and manipulating information in the mind.
1. What process do plants undergo to produce chemical energy?
photosynthesis is the process...
nti- 1.1 Define the term stressor and give a clear exar ple. (1+1=2) cus 1.2 Write down what is meant by emotional stressor and explain why a fear of failure can be classified as such as stressor. (1+2=3) 1.3 Explain the difference between positive and negative stress and show how a personal life crisis can result in positive stress. (2+1=3) 1.4 Discuss TWO possible challenges learners may face should they no longer qualify for further intended course of study. (2x2 =4) 1.5 Assess how a personal lifestyle plan could assist you to experience quality of life during periods of change. By discussing the following components of such a plan: a) Relationships with friends and family h) Dist and Nutrition usin lua Adapted from: www.healthyplace.com. Accessed on 29/01/2022 OS Ive (1x2 = 2) 2 2) [16]
Answer:
see full answer in below
Explanation:
A physical, psychological, or social incident known as a stressor can make someone feel stressed. Although stress is a natural reaction to a challenge or change, if it is not well controlled, it can result in a number of physiological reactions in the body that can cause both physical and emotional suffering.
A significant shift in one's life, like losing a job, is an example of a stressor. Due to potential financial hardships and future uncertainties, this can be a substantial source of stress for the individual. A job loss might also result in emotions of rejection, self-doubt, and worry. If not addressed appropriately, this transition can have an impact on many areas of the person's life and cause both physical and mental anguish.
Emotional stressors are events or situations that cause an individual to experience emotional distress, such as anxiety, sadness, or frustration. These stressors can be internal, such as self-doubt or negative thoughts, or external, such as relationship problems or financial difficulties.
A fear of failure is an example of an emotional stressor. This can be classified as such because it can cause an individual to experience anxiety, self-doubt, and a lack of confidence. These negative emotions can lead to difficulty in achieving goals, or even avoiding them all together.
There are two types of stress: positive stress and negative stress. Positive stress, also known as eustress, is a short-term stress that can be motivating and energizing. It can be a response to a challenging situation that an individual feels capable of handling. Negative stress, also known as distress, is a longer-term stress that can be overwhelming and detrimental to an individual's well-being.
A personal life crisis, such as a divorce or losing a loved one, can result in positive stress. Although these events can be difficult and painful, they can also be an opportunity for growth and personal development. The individual may feel a sense of renewed purpose and meaning in their life as a result. However, it's important to note that positive stress can also turn into negative stress if not handled properly.
In summary, emotional stressor is a term that refers to events or situations that cause an individual to experience emotional distress. Fear of failure can be classified as such stressor because it can lead to anxiety, self-doubt, and lack of confidence. Positive stress is a short-term stress that can be motivating and energizing, while negative stress is a longer-term stress that can be overwhelming and detrimental to an individual's well-being. A personal life crisis can result in positive stress as it can be an opportunity for growth and personal development.
Learners may face challenges if they no longer qualify for their intended course of study. These challenges may include financial difficulties and emotional distress. Financial challenges may include difficulty in paying for alternative courses or supporting themselves, and emotional challenges may include feelings of failure, disappointment, and uncertainty about their future. These challenges can have a significant impact on their well-being and make it difficult for them to move forward and find new educational opportunities.
By offering a precise framework and direction for handling stress and transition, a customized lifestyle plan can help people maintain a high quality of life throughout times of change. A personal lifestyle plan can assist people in keeping their composure and perspective through times of transition.
Relationships with friends and family may offer emotional support and a sense of belonging through times of transition. a) Relationships with friends and family. Creating a support system of friends and family as well as scheduling time for frequent contact may all be part of a personal lifestyle plan that includes techniques for preserving and enhancing these connections. This can provide as a source of comfort and stability during times of transition, as well as
It's important to note that personal lifestyle plan could include many other components, such as physical activity, nutrition, stress management, goal setting, and time management. A well-rounded personal lifestyle plan can help an individual to maintain balance and perspective during times of change and can also provide a sense of control and empowerment during times of stress.
What is the single biggest challenge for living organisms in caves