Describe two integumentary systems regulate temperature.
Answers
The integumentary system is a bodily system that consists of the skin, hair, nails, and other associated structures that help to protect the body from physical and environmental damage. One of the key functions of the integumentary system is to help regulate body temperature in response to changes in the environment.
Sweat glands are a type of gland that is located in the skin and is responsible for producing sweat. Sweat is a liquid that is made up of water, salt, and other substances. When the body starts to get too hot, the sweat glands will produce sweat, which will then be released through the pores in the skin. As the sweat evaporates, it helps to cool the body down, which can help to regulate body temperature.
Blood vessels are another important component of the integumentary system that help to regulate body temperature. Blood vessels are responsible for carrying blood throughout the body, and they also help to regulate blood flow to the skin. When the body starts to get too hot, the blood vessels in the skin will dilate, which increases blood flow to the skin. This helps to release heat from the body and cool the body down. When the body gets too cold, the blood vessels will constrict, which reduces blood flow to the skin and helps to conserve heat.
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Related Questions
My dog sandy measured the width of a machine part he made in his lab and told caryl the width was 16.25mm. caryl knew sandy had learned to properly report the correct significant digits. She asked sandy what the uncertainty of his measurements was and sandy correctly said
a). ±0.01mm b). 1.5% c). 4% d) cant tell e). ±0.25mm
Answers
The information which is provided is insufficient to determine the uncertainty in the measurements done by Sandy.
The correct option is option d.
Based on the information which is provided, it is not possible to accurately determine the uncertainty of Sandy's measurement without additional context or knowledge about the measuring instrument's precision or the method used.
Uncertainty in measurements basically depends on factors such as instrument precision, measurement technique, and environmental conditions. To determine the uncertainty, one needs to consider factors beyond the reported value itself. Without specific information about these factors, it is not feasible to determine the uncertainty with certainty.
Hence, the correct option is option d.
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Scientists have discovered that a species of bird has decreased in number
by over 60%. The scientists eliminated nutrient shortages and natural
cycles as reasons for the decline.
Which factor might have contributed to the birds' decline?
Choose 1 answer:
A Viral immunity
B Fewer predators
C Habitat destruction
D Increase in viable offspring
Answers
The factor that might have contributed to the birds' decline is habitat destruction (option C).
What is habitat loss?Habitat loss refers to the reduction in the amount of space where a particular species, or group of species can survive and reproduce.
Habitat loss can result in the reduction of a population of a species and can negatively affect biodiversity in general.
According to this question, scientists have discovered that a species of bird has decreased in number by over 60%. They ruled out nutrient shortages and natural cycles as reasons for the decline.
The possible reason left among the options is habitat destruction.
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Which statement about the effects of natural events and human activities is true?
A.The environment is not usually affected by natural events
B.Human activities and natural events can damage the environment.,
C.Natural events always have a positive impact on the environment.,
D.All human activities change the environment in a negative way.
Answers
Answer:
B. Human activities and natural events can damage the environment.,
Explanation:
Human activities are those activities carried out by a human being. The environment is being degraded daily as a result of the activities of man as well as natural occurrences e.g earthquake, tsunami, wild fire etc.
Human activities also called anthropogenic activities that damage the environment include sewage pollution, burning of fossil fuels, oil spillage etc. Hence, according to this question, human activities and natural events can damage the environment.
what is the empirical formula for a compound that contains 17.34% hydrogen and 82.66% carbon?
Answers
Answer:
The empirical formula for the compound would be CH.
Explanation:
which of these antimicrobial agents has potentially the fewest and least dangerous side effects? (do not consider an individual with an allergy to any of these substances) streptomycin tetracycline penicillin erythromycin chloramphenicol
Answers
The antimicrobial agent with potentially the fewest and least dangerous side effects is penicillin. Penicillin is an antibiotic that can be used to treat a variety of infections, and has been reported to have fewer side effects than streptomycin, tetracycline, erythromycin, and chloramphenicol.
Penicillin is one of the antimicrobial agents that has potentially the fewest and least dangerous side effects. However, if an individual has an allergy to penicillin, it should be avoided. Here is more information about it: Antimicrobial agents refer to a group of substances that are used to combat or stop the spread of microorganisms such as viruses, bacteria, fungi, and parasites. These agents are grouped into various categories based on their chemical structures or the nature of the microorganisms they are effective against.Side effects refer to undesired or unwanted reactions that result from the use of a medication. Some of the common side effects of antimicrobial agents include skin rash, gastrointestinal upset, nausea, diarrhea, and vomiting. An allergy is an abnormal reaction of the immune system to a substance that is usually harmless to the body. When an allergic individual is exposed to an allergen, their body releases histamines and other chemicals that can lead to itching, sneezing, runny nose, hives, and other symptoms.The correct answer is C Penicillin is one of the antimicrobial agents that has potentially the fewest and least dangerous side effects.Learn more about antimicrobial agents: https://brainly.com/question/31116113
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Krebs Cycle is part of_______________ respiration.
a. Aerobic
b. Anaerobic
pls help
Answers
Answer:
Krebs Cycle is part of Aerobic respiration.
Explanation:
•| jess |•#keep learning
18. Amorphophallus johnsonii is a plant growing in West Africa, and it is better known as a "corpse-flower." Its common name comes from the fact that when it flowers, it gives off a "powerful aroma of rotting fish and faeces." The flowers smell this way because their principal pollinators are carrion beetles, who are attracted to such a smell. Beath observed the number of carrion beetles (Phaeochrous amplus) that arrive per night to flowers of this species. The data are as follows: 51, 45, 61, 76, 11, 117, 7, 132, 52, 149 a. What is the mean and standard deviation of beetles per flower? b. What is the standard error of this estimate of the mean? c. Give an approximate 95% confidence interval of the mean. Provide lower and upper limits. d. If you had been given 25 data points instead of 10, would you expect the mean to be greater, less than, or about the same as the mean of this sample? e. If you had been given 25 data points instead of 10, would you have expected the standard deviation to be greater, less than, or about the same as this sample? f. If you had been given 25 data points instead of 10, would you have expected the standard error to be greater, less than, or about the same as this sample?
Answers
The mean number of beetles per flower is 65.3, and the standard deviation is 44.8. The standard error of the estimate of the mean is 14.2, which is calculated as the standard deviation divided by the square root of the sample size.
The 95% confidence interval of the mean is approximately 35.9 to 94.7 beetles per flower using the formula: mean ± (t-value x standard error), where the t-value for a 95% confidence interval with 9 degrees of freedom is 2.31.
With 25 data points, we would expect the mean to be about the same as the mean of this sample, standard deviation to be about the same as this sample and standard error to be less than this sample, as increasing the sample size decreases the standard error.
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is this true or false, Surface waves result from a combination of up-and-down plus side-to-side motion.
Answers
Answer:
yaaa you knew that air is everywhere it moves
Protein A is a structural protein that forms long strands in the cell, while Protein Bis a globular protein that
functions as an enzyme
Based on this information, which of the following statements is most likely true about Protein A and
Protein B?
A. The proteins are encoded by genes with the same sequence of nucleotides
B. The proteins have different sequences of amino acids
C. The proteins are found in different parts of the body
Answers
Answer:
B
Explanation:
Answer:
It's B
hope this helps! <3
During steady-state exercise, for every liter of oxygen consumed in the organism the largest amount of energy will be liberated while oxidizing: a) FFA (0) b) A mixture of glucose and amino acids c) Triglycerides d) Amino acids e) glucose
Answers
During steady-state exercise, for every liter of oxygen consumed in the organism the largest amount of energy will be liberated while oxidizing glucose. This is because glucose is a readily available and efficient source of energy for the body.
When glucose is oxidized, it undergoes a process called glycolysis which generates ATP (adenosine triphosphate) molecules. ATP is the main source of energy for cellular processes and is essential for muscular contraction during exercise.
While the other options (FFA, a mixture of glucose and amino acids, triglycerides, amino acids) can also be used for energy production during exercise, they are not as efficient as glucose. Fatty acids (FFA) and triglycerides require more oxygen to be metabolized than glucose and thus cannot be metabolized as quickly. Amino acids can be used for energy production, but they are not a preferred energy source during exercise.
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The shape of the _____ curve determines the impact of an aggregate demand shift on prices and output.Multiple Choiceaggregate supplytotal costproduction possibilities
Answers
The shape of the aggregate supply curve determines the impact of an aggregate demand shift on prices and output.
The aggregate supply curve is an important tool in macroeconomics that shows the relationship between the total quantity of goods and services that producers are willing to supply and the price level. The shape of the curve can vary depending on different factors, such as input prices, technology, and government policies. A shift in aggregate demand can either shift the aggregate supply curve to the left or to the right, which can affect the level of prices and output in the economy. The shape of the "aggregate supply" curve determines the impact of an aggregate demand shift on prices and output. In economics, aggregate supply represents the total supply of goods and services produced within an economy at different price levels. The curve's shape indicates how sensitive production and pricing are to changes in aggregate demand.
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Explain how the processes of cellular respiration, photosynthesis, and carbon cycle are related to each other.
Answers
Cellular respiration, photosynthesis, and the carbon cycle are all interrelated and interdependent biological processes. Cellular respiration converts organic compounds into ATP that can be used to fuel metabolic activities, whereas photosynthesis is the process by which green plants and algae convert light energy into chemical energy, in the form of organic compounds.
Cellular respiration produces carbon dioxide and water, which are released into the atmosphere. In contrast, photosynthesis absorbs carbon dioxide and water, as well as sunlight, and uses them to create glucose and other organic compounds.
Thus, cellular respiration and photosynthesis are linked because the products of one process are the reactants of the other.The carbon cycle, on the other hand, involves the transfer of carbon between living organisms, the atmosphere, and the geosphere. In this process, carbon is taken up by green plants and other photosynthetic organisms, where it is used to synthesize organic compounds.
This carbon is then released back into the atmosphere through cellular respiration or is passed on to other organisms. Some carbon is also buried in the ground as fossil fuels. Thus, the carbon cycle is closely tied to both cellular respiration and photosynthesis.
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Why does Pollan say that growing organic food in an industrial system is ""even more precarious than a conventional industrial system""? How do the lives of Petaluma Farms’ chickens show this vulnerability?
Answers
In Michael Pollan's book "The Omnivore's Dilemma," he argues that growing organic food within an industrial system can be more precarious than conventional industrial farming.
He highlights the vulnerability of such systems by examining the lives of chickens at Petaluma Farms, an organic chicken farm. According to Pollan, Petaluma Farms claims to produce organic, free-range chickens that have access to the outdoors. However, he reveals that the reality is quite different. The chickens at Petaluma Farms are confined to crowded sheds with limited access to the outside. The farm uses a loophole in organic certification standards that allows them to classify their chickens as "free-range" by providing small screened-in porches, despite the chickens rarely going outside. Pollan argues that this situation illustrates the vulnerability of organic farming within an industrial system. The organic label can be manipulated or compromised to meet the demands of the market while failing to meet consumers' expectations of what organic farming should entail. This vulnerability arises because the industrial system tends to prioritize efficiency, scale, and profit over the integrity of organic practices.
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you half to describe what the people are doing in the picture
Answers
do
antibiotics exploit a biological difference between the pathogen
and a host?
- yes
- no
Answers
Yes, antibiotics exploit biological differences between pathogens and hosts.
Antibiotics are substances that are specifically designed to target and inhibit the growth of bacteria or other microorganisms that cause infections. These substances often work by interfering with essential cellular processes or structures that are specific to the pathogen, while minimizing impact on the host cells. Pathogens and hosts have differences in their molecular structures, metabolic pathways, and cellular processes. Antibiotics are designed to exploit these differences to selectively target and kill the pathogens without significantly affecting the host cells. This is why antibiotics are often effective in treating infections caused by bacteria or other microorganisms while causing minimal harm to the host's cells or tissues.
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An enzyme in potato cell caue oxygen to be produced from hydrogen peroxide. Cube of potato were incubated with hydrogen peroxide at different temperature. The number of bubble of oxygen releaed per minute were counted at each temperature. The table how the reult. Temperature/°C 15 25 35 45 55
number of bubble / bubble per minute 96 98 82 36 1
The reult ugget the optimum temperature for the enzyme i between which two value
Answers
Between 45 and 55 °C is where the enzyme functions best.
What's the ideal temperature for an enzyme?The majority of enzymes work best when the temperature is around 98.6 degrees Fahrenheit (37 degrees Celsius). Additionally, some enzymes work effectively at both high and low temperatures. For instance, while animals in desert environments have enzymes that can withstand higher temperatures, those in arctic environments have enzymes that can withstand lower ideal temperatures.
Because more substrate molecules can interact with the enzyme and make more product as a result, the reaction rate will quicken when more hydrogen peroxide is added to the mixture. More foam forms in your cup as you increase the H2O2 concentration in your reaction.
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5. Which of these animals hibernates through the cold winter?
A. White-tailed deer
B. Black bear
C. wild boar
D. Turkey
Answers
black bear
hope it helps you
....
what are 4 cellular activities that would require the energy of ATP?
Answers
Answer:
active transport (moving particles against the concentration gradient)making proteinscell division (for growth and repair)transmission of nerve impulsesHope this helps!
ATP is the energy currency of the cell and it is required almost everywhere. 4 cellular activities that would require the energy of ATP will be cellular respiration, ion transport, muscle contraction, nerve impulse.
What is the role of ATP ?The role of ATP is providing energy where it gets hydrolysed into ADP along with the phosphate ion where the reaction provides energy and this reaction brings about energy in the activity.
The cellular activities are the activities that take place inside the cell and various activities that will link to them in order to perform various functions. DNA synthesis, biochemical reactions, cellular respiration, cellular activities all takes place with the help of ATP.
Therefore, ATP is required almost everywhere in both cellular respiration activities and cellular activities.
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Asexual reproduction results in -
A. offspring that look exactly like a single parent.
B. offspring that look different than a single parent.
C. offspring that look like a combination of two parents.
D. offspring that look like half of one parent, half of another.
Answers
Answer:
A. offspring that look exactly like a single parent.
Explanation:
Asexual reproduction is a mode of reproduction in which a new offspring is produced by a single parent which is why I think the correct option is A.
I hope this helped :)
how does the brightness/luminosity change throughout the cycle of a massive star?
Answers
Answer:As the size of a star increases, luminosity increases. If you think about it, a larger star has more surface area. That increased surface area allows more light and energy to be given off. Temperature also affects a star's luminosity.
Explanation:
Answer:
Brightness-Luminosity Relationship:
At a particular Luminosity, the more distant an object is, the fainter its apparent brightness becomes as the square of the distance
Explanation:
Which statement summarizes Kepler's First Law of Planetary Motion?
A. Planets in the solar system revolve around the sun.
B. Planets closest to the sun move faster in their orbits than those farther away.
C. Planets move fastest while Earth is at perihelion.
D. Planets revolve around the sun in elliptical orbits.
Answers
Answer:
D.
Explanation:
Kepler First law – The Law of Orbits According to Kepler’s first law,” All the planets revolve around the sun in elliptical orbits having the sun at one of the foci”.
The statement summarizes Kepler's First Law of Planetary Motion - D. Planets revolve around the sun in elliptical orbits.
Kepler's three laws describe the planetary bodies orbit about the Sun. The planets' orbits all are aligned to called the ecliptic plane.
Kepler's First Law:
The orbit of each planet about the Sun is an ellipse. The Sun's center is always located at one focus of the orbital ellipse.The planet follows the ellipse in its orbit, which explains that the planet to Sun distance is constantly changing as the planet revolves around its orbit.Thus, the statement summarizes Kepler's First Law of Planetary Motion - D. Planets revolve around the sun in elliptical orbits.
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According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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Why do scientisits use light rays to represent light rays
Answers
The student wants to make a model to provide information about cellular respiration. Drag and drop the
responses below to complete the model.
carbon dioxide and water
chemical bonds
energy released
glucose and oxygen
mitochondria
Answers
Answer:
where? mitochondria
inputs. carbon dioxide and water
outputs. glucose and oxygen
energy resources. chemical bonds
energy result. energy released
im not sure but hope this helps :)))
What causes global circulation?
1. the Earth's core cools down some areas more than others
2. parts of the world heat up differently
3. the water in the oceans acts as an insulator
4. the sun stops emitting radiation at night
Answers
Answer:
parts of the world heat up differently
Explanation:
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You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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Pepsin, trypsin and chymotrypsin are substances that affect reaction rates, those can be defined as
Answers
Answer: Enzymes
Explanation:
Enzymes are those proteins which participate in a chemical reaction without being consumed in the reaction. These enzymes work as a catalyst which speed up the rate of the chemical reaction. The enzyme is responsible for converting the substrate into a product. Pepsin is an enzyme present in the stomach it is activated by hydrochloric acid it is a peptic enzyme which converts proteins into peptones, trypsin and chymotrypsin are the enzymes secreted by the pancreas and it is responsible for digestion of proteins.
In a car, how does an air bag minimize the force acting on a person during a collision? It increases the change in momentum of the person. It decreases the change in momentum of the person. It increases the time it takes for the person to stop. It decreases the time it takes for the person to stop.
Answers
Answer:
C
Explanation:
Just took the test and the answer is C, It increases the time it takes for the person to stop.
The air bag minimize the force acting on a person during a collision due to decreasing the time it takes for the person to stop.
How air bag minimize the effect of force during collision?Air bags are used in vehicles because they are able to minimize the effect of the force during a collision. Air bags minimize the effect by extending the time required to stop the momentum of the driver and passenger.
So we can conclude that air bag minimize the force acting on a person during a collision due to decreasing the time it takes for the person to stop.
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At-risk groups/locations for blastomycosis dermatitidis
Answers
A fungal infection called blastomycosis dermatitidis is brought on by inhaling the fungus' spores. It is most frequently discovered in places like forested regions, riverbanks, and lakeshores that have moist soil, decomposing organic matter, and high humidity.
The infection is mainly found in the United States and Canada, with the Great Lakes region, the Mississippi River basin, and the southeastern United States reporting the highest prevalence rates. People who spend time outdoors in places where the fungus is frequently present, such as hunters, campers, hikers, and construction workers, are at risk for blastomycosis dermatitidis. The chance of having blastomycosis is also higher in those whose immune systems are compromised, such as those who have cancer or HIV/AIDS.
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an enzyme (glycogen phosphorylase) binds specifically to glycogen (select one for each). a) which class of macromolecule does glycogen belong to? [ select ] b) glycogen is a polymer of: [ select ] c) what is the function of glycogen? [ select ] d) what kinds of functional groups are found in glycogen? [ select ] e) which type of amino acid would you most likely expect to find in the glycogen binding site of glycogen phosphorylase? [ select ] f) what is the strongest type of bonding possible between these amino acids and glycogen? [ select ] g) glycogen phosphorylase activity is high in marathon runners during races and in fasting individuals. what type of reaction does glycogen phosphorylase
Answers
a) Glycogen belongs to the class of macromolecules known as **polysaccharides**.
b) Glycogen is a polymer of **glucose**.
c) The function of glycogen is to serve as a **storage form of glucose** in animals, primarily in the liver and muscles. It acts as an energy reserve that can be broken down into glucose when needed.
d) The functional groups found in glycogen primarily include **hydroxyl groups (-OH)**, as they are present in glucose molecules, which form the polymer chains of glycogen.
e) In the glycogen binding site of glycogen phosphorylase, you would most likely expect to find **amino acids** with **polar and hydrophobic properties**. Examples of such amino acids include serine, threonine, tyrosine, and histidine.
f) The strongest type of bonding possible between these amino acids and glycogen would be **non-covalent interactions** such as **hydrogen bonding**, as well as **ionic interactions** between charged amino acid residues and glycogen.
g) Glycogen phosphorylase catalyzes the **phosphorolysis** of glycogen. In this reaction, a phosphate group is transferred from an inorganic phosphate (Pi) to a glucose unit in glycogen, resulting in the release of glucose-1-phosphate. This reaction allows for the breakdown of glycogen into usable glucose units for energy production.
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