Animals can be classified according to their mode of thermoregulation. Sort the animals below, indicating their likely thermoregulatory strategy. Note that poikilotherms are sometimes referred to as heterotherms.
homeothermic endotherm - walrus, eagle, coyote
homeothermic ectotherm - arctic shrimp
poikilothermic ectotherm - butterfly, freshwater catfish, salamander
Answers
Animals can be classified according to their mode of thermoregulation as homeothermic endotherms- eagle, coyote, and walrus. homeothermic ectotherm- arctic shrimp. poikilothermic- freshwater catfish, salamander, and butterfly.
Animals known as homeotherms keep their body temperature constant. All endotherms are homeotherms, but some ectotherms, like desert lizards, are regarded as homeotherms because they are so adept at maintaining their body temperature through behavioral means.
The majority of animals must maintain a relatively stable core body temperature. Endotherms keep their bodies warm by using heat they produce internally. Regardless of the environment, their body temperature tends to remain constant. Ectotherms' body temperatures fluctuate in response to the temperature of the environment, relying primarily on external heat sources.
Poikilotherms, which are cold-blooded animals, have less physiological control over their heat balance but can alter their energy gains and losses by seeking shade, sunlight, or wind shelter. Each term of the animal heat balance equation is discussed in this chapter.
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Related Questions
Explain why the blue color of starch-iodine complex disappears upon heating?
Answers
Answer: Starch is a long polymer molecule in one shape of a coil. The iodine molecules goes inside of the coil and this is what makes it turn blue/black. Iodine is a diatomic element with the formula, I2.
Explanation:
Answer:
This is because the compound of iodine and starch is unstable, but if you put the test tube in cold water, a dark blue sediment will form once more. When starch is heated to boiling point, it begins to break down, and the chains of amyloses break, thus, forming short chains of dextrins, so the colour starts to change.
Explanation:
How did these flower species evolve the traits necessary to attract hummingbirds?
Answers
Explanation: Species that rely on hummingbirds for pollination, instead of the insects their ancestors did, have acquired a number of ‘pro-bird’ and ‘anti-bee’ traits; nectar that is particularly sucrose rich, flowers that are brightly colored but unscented (smell is vital for insects to find flowers, but vision is the key for birds), and various adaptations to their flowers to allow easy access for hummingbirds.
The energy transfer system used by living things is ...
Fat
Sunlight
ATP
sugar
Answers
Answer:
yes
Explanation:
fat
Part A
Identify the reactants in the following chemical reaction: C10H3 + 12 02 - 10 CO2 + 4 H20
C10Hg and 12 02
O 10 CO2 and 4 H2O
O C10H9 and 10 CO2
O 12 O2 and 4 H20
Submit
Request Answer
Answers
Answer:
C10H9 and 10 C02
Explanation:
I think C10H9 and 10Co2
11. A person who has rickets might need
more foods from which two groups?
Answers
In addition to getting enough vitamin D, people with rickets may also need to take calcium and phosphorus supplements. These supplements can help to improve bone health and prevent further bone loss.
Here are some specific foods that people with rickets may want to include in their diet:
Milk
Yogurt
Cheese
Salmon
Tuna
Sardines
Eggs
Fortified orange juice
Fortified cereal
Tofu
Green leafy vegetables
Fortified bread
Fortified pasta
It is important to talk to a doctor or registered dietitian about the best way to manage rickets. They can help to create a personalized diet and supplement plan that will meet the individual's needs.
True or false
You can tell the function of all proteins from their quaternary structure
Answers
Answer:
False
Explanation:
Answer:
False
Explanation:
Hope this helped..........
Alan observed that a lot of soil from his garden swept off from after heavy rain. Which is this process called?
Answers
This process is called 'soil erosion '.
What is used to trap light energy in plants?
Answers
Answer:
chlorophyll
Explanation:
this is right
Answer:
Chlorophyll.
Explanation:
Chlorophyll, located in chloroplasts in the leaves of a plant.
Hope this helped! ^^
2 Itching and other skin problems are signs that a cat or dog may have fl eas. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, fl ea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail
Answers
Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.
Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.
The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.
Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.
Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.
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4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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Essential fatty acids
a. are synthesized by the liver.
b.
are a necessary precursor to cholesterol.
c.
cannot be synthesized by the body.
d.
are necessary for blood clotting.
Answers
Answer:
Essential fatty acids are those that cannot be synthesised by the body and therefore are essential to the diet.
I hope this helps
The molecule below is
Answers
Answer:
e
Explanation:
Which of the following structures has cells that are dead when they are fully functional?
Answers
c)Phage therapy may be considered the 21st century answer to combatting
bacterial infections. Discuss the potential merits and problems associated with
using this as a clinical treatment.
What are the pros and cons?
Answers
Answer:
Phages are currently difficult to prepare for use in people and animals.
It's not known what dose or amount of phages should be used.
It's not known how long phage therapy may take to work.
It may be difficult to find the exact phage needed to treat an infection.
Explanation:
is testicular pain serious or normal for teens ?☹☹☹
Guys plz tell i am seriously asking this question.
Answers
Answer:
growing pains maybe? if its really bad though you should go to the doctor
Explanation:
Answer:
yeah if it is really that bad you might want it checked.
Which was present in the unknown? starch lipids nucleic acids proteins
Answers
To test for the presence of starch, you can use iodine solution, which turns blue-black in the presence of starch. Lipids can be identified using a Sudan III or Sudan IV test, where lipids will appear as red or orange-stained spots.
Nucleic acids can be detected through tests like the diphenylamine test or the biuret test.
The diphenylamine test produces a blue color in the presence of DNA, while the biuret test results in a purple color in the presence of RNA.
Proteins can also be identified using the biuret test, as proteins will cause the solution to turn purple.
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Which statement best describes a reliable source of information?
A source that follows the scientific method.
A source that includes the evidence to persuade a side.
A source that includes opinions to support a claim.
A source that uses pseudoscience to gather evidence.
Answers
The statement best describing a reliable source of information is:A source that follows the scientific method.
A reliable source of information is one that follows the scientific method. The scientific method is a systematic approach to investigating phenomena, which involves formulating a hypothesis, conducting experiments or observations, collecting data, and drawing conclusions based on evidence. By adhering to the scientific method, a source ensures that its information is based on rigorous and objective analysis.
A reliable source of information focuses on providing evidence to support its claims rather than relying on opinions. It presents data, facts, and research findings obtained through scientific studies or credible sources. This evidence-based approach adds credibility to the information presented and allows readers to evaluate the validity of the claims.
On the other hand, a source that includes opinions to support a claim may lack objectivity and can introduce bias into the information. Opinions alone do not necessarily provide a reliable basis for making informed judgments or decisions.
A reliable source also avoids the use of pseudoscience to gather evidence. Pseudoscience refers to claims or practices that are presented as scientific but lack the rigorous scientific methods and evidence required for validation. Such sources often promote ideas that are not supported by credible scientific research and can mislead readers.
In summary, a reliable source of information is one that follows the scientific method, presents evidence to support claims, avoids relying solely on opinions, and does not use pseudoscience to gather evidence. By adhering to these principles, a source can provide trustworthy and accurate information to its audience.
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I need help please!
1. In guinea pigs, long hair is dominant to short hair. A pure bred short haired guinea pig is bred with a hybrid long haired. What percent of the babies will have Hh as their allies? (use H)
Answers
Answer:
50%
Explanation:
So the cross is hh x Hh
Making a punnet square would get Hh,hh,Hh,hh
The percent of babies that will have Hh is 50%
Advances in genetic technology have enabled scientists to modify the activities and characteristics of microorganisms such as bacteria, yeast and mold.
Brainstorm a potential modification for bacteria and yeasts that will make better and longer lasting "kitchen product" to use when making food.
Answers
A potential modification for bacteria and yeasts that will make better and longer-lasting "kitchen products" to use when making food is could involve transforming bacteria to produce molecules that help inhibit the growth of harmful bacteria and yeast in food.
What is genetic technology?Genetic technology or genetic engineering is a technique that modifies an organism's DNA using technology developed in labs. Understanding gene expression, utilizing genetic variation that occurs naturally, altering genes, and transferring genes to different hosts are all aspects of gene technology.
For instance, transferring a gene from one species such as bacteria to an organism from a different species such as yeast in genetic engineering may result in the desired characteristic.
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Question 1 of 5
Prove: If two angles are supplementary, then one of the
angles must be obtuse.
Which image provides a counterexample to this
statement?
Answers
If two angles are supplementary then one of it must be obtuse. Because supplementary angles are those two angles whose sum is 180. If either of the two is acute then the other must be obtuse to satisfy the condition.
When two angles formed on a line and they adjacent to each other, then their sum is equal to 180°. Such two angles are called supplementary angles.
In the figure A,
Two angles are drawn, one of 40° and another of 140°. Sum of these two angles are 180°, so these two angles are supplementary.
Now, for any general case,
Let us assume that an acute angle of x° is is drawn on a line. Let the adjacent angle on that y° angle will,
x° + y° = 180°
y° = 180° - x°
the value of x can take place between,
0° < x° < 90°
So,
y° = 180°-x°
Y becomes,
90° < y° ≤ 180°
Hence Y is an obtuse angle.
It is proved that If two angles are supplementary, then one of the
angles must be obtuse.
There is no counterexample to this statement except the case referred in Image B.
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The anole lizard is a tree-dwelling reptile that has adapted to live almost anywhere. Because the rain forest is rich with species of anole, many lizards are competing for the same food and the same living space. Oftentimes, anoles will avoid competition by occupying different portions of the rain forest. For example, one species of anole may live in the canopy, while another species live near the forest floor. This behavior is an example of _____.
predator differentiation
niche partitioning
ecological equivalent
evolutionary response
Answers
The anole lizard is a tree-dwelling reptile that has adapted to live almost anywhere. Because the rain forest is rich with species of anole, many lizards are competing for the same food and the same living space. Oftentimes, anoles will avoid competition by occupying different portions of the rain forest. For example, one species of anole may live in the canopy, while another species live near the forest floor. This behaviour is an example of- niche partitioning.
What is niche partitioning?
The process by which competing species use the environment differently to enable them coexist is known as niche partitioning in ecology. According to the competitive exclusion principle, two species with identical niches (ecological roles) will always drive the other one to extinction if they compete.
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How does the contractile vacuole in a single-celled organism function to maintain homeostasis?
It pumps water into the cell.
It pumps water out of the cell.
It pumps solutes into the cell.
It pumps solutes out of the cell
Answers
The contractile vacuole in a single-celled organism functions to maintain homeostasis by pumping water out of the cell (option b).
Single-celled organisms, such as protists, live in aquatic environments where water continuously enters the cell through osmosis. Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration, which can cause the cell to swell and potentially burst.
To prevent the cell from taking in excessive water and maintaining its internal balance, the contractile vacuole actively collects and accumulates the excess water from the cytoplasm. Once filled, the contractile vacuole contracts rhythmically, expelling the accumulated water out of the cell through a pore or a specialized channel. This process is known as osmoregulation.
By actively pumping water out of the cell, the contractile vacuole helps to regulate the water content and prevent the cell from lysing or bursting due to osmotic imbalances. This mechanism helps maintain the proper internal environment and homeostasis within the single-celled organism.
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What statement describes a controlled experiment
Answers
Answer:
What is a controlled experiment? This is when a hypothesis is scientifically tested. In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled.
Explanation:
Hope it helps
PLEASE HELP!
An air pressure gradients forms as the sun heats the air around an island. In which direction will the wind blow during the day?
A- from the island toward the ocean.
B- from the ocean toward the island
C- counterclockwise around the island
D- clockwise around the island
Answers
Because it makes sense
The wind will blow during the daytime in the direction from the ocean towards the island. This occurs due to the pressure gradient. Thus, the correct option is B.
How to determine the direction of wind?During the daytime, the island gets heated up faster than the ocean as the heat in the ocean gets dissipated over a large area due to convection currents. Also, the specific heat of water is greater in ocean than that of island. Since the island is hotter than the ocean, there is a build up of low pressure area on the island as hot air rises, creating a low pressure.
On the other hand, there's a relatively higher pressure at the ocean resulting in the development of pressure gradient. The wind blows from a higher pressure area to a lower pressure area, therefore wind blows from ocean towards the island (sea breeze).
Therefore, the correct option is B.
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The energy in glucose cannot be used directly by cells and must be broken down into an intermediate smaller energy molecule called:
Answers
Answer:
ATP
Explanation:
Glycolysis in cells breaks down glucose and produces 2 ATP, 2 NADH, and 2 pyruvate molecules. This can be used by cells to create energy for cellular processes.
Hope this help
are phenols and glycosides induced or pre-existing defenses mechanisms for plants immunity ?
Answers
Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.
Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.
Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.
Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.
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I need help for this question please
Answers
Answer:
black
Explanation:
1. How do you think that prokaryotic cells are limited since they do not have a nucleus? How does this make their function different from cells that have a nucleus?
2. How would a bioengineer use principles of mass and heat transfer address a problem in human health?
3. Why do you think that the use of genetically modified food is controversial?
4. Explain why biomaterials are an important part of bioengineering.
5. Why does biotechnology raise more ethical issues than many other fields in engineering?
Answers
1. The absence of a nucleus also affects the functions of prokaryotic cells.
2. Bioengineers can create artificial tissues and organs using principles of mass transfer.
3. The use of genetically modified (GM) food is controversial due to several reasons such as safety concerns, Environmental impact, Ethical considerations, and Labeling and consumer choice.
4. Importance of Biomaterials in Bioengineering Compatibility with Biological Systems are controlled Drug Delivery, Tissue Engineering and Regenerative Medicine.
5. Ethical Issues in Biotechnology are Manipulation of Living Organisms, Human Enhancement and Designer Babies etc.
1. Prokaryotic cells are limited in several ways due to the lack of a nucleus. First, they do not have a well-defined organelle structure, so their metabolic processes are not as efficient as those in eukaryotic cells.
They also have limited control over gene expression since their DNA is not contained within a membrane-bound nucleus. This lack of control over gene expression can be both a limitation and an advantage for prokaryotic cells.
2. Bioengineers can use principles of mass & heat transfer to address a wide range of problems in human health. For example, they can develop drug delivery systems that use controlled release mechanisms to optimize the dosage & timing of medication delivery.
3. The use of genetically modified food is controversial for several reasons. Some people are concerned about the potential health risks associated with consuming genetically modified organisms (GMOs).
Others worry about the impact of GMOs on the environment, including the potential for unintended consequences such as the spread of modified genes to non-modified organisms.
4. Biomaterials are an important part of bioengineering because they provide the foundation for many medical devices & tissue engineering applications.
Biomaterials are synthetic or natural materials that are used to replace or repair damaged tissues or organs in the body. They can be used to create implants, artificial organs, or scaffolds for tissue regeneration.
5. Biotechnology raises more ethical issues than many other fields in engineering because it involves manipulating living organisms & their genetic material.
Some of the ethical issues that arise in biotechnology include concerns about the safety & efficacy of genetically modified organisms, the potential for unintended consequences & environmental impacts, & the social & economic impacts of biotechnology on society.
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Which of the following is true about cells?
A.
In general, eukaryotic cells do not have a true nucleus or membrane-bound organelles, whereas prokaryotic cells contain both a nucleus and organelles enclosed by membranes.
B.
Neither prokaryotic cells nor eukaryotic cells ever contain both a true nucleus that is well-defined and organelles that are separated from the cytoplasm by membranes.
C.
Both eukaryotic cells and prokaryotic cells always contain both a true nucleus that is well-defined and organelles that are separated from the cytoplasm by membranes.
D.
In general, prokaryotic cells do not have a true nucleus or membrane-bound organelles, whereas eukaryotic cells contain both a nucleus and organelles enclosed by membranes.
Answers
Answer:
d
Explanation:
d 100% literally was just learning about this
Which statement best describes cancer cells?
Answers
Answer: If this is the same as i had then it would be D, They are not regulated by contact inhibition. <3
Explanation: