Circannual rhythms in birds are influenced by _______. A) periods of food availability
B) periods of daylight and darkness
C) magnetic fields
D) lunar cycles

Answers

Answer 1

Circannual rhythms, like circadian rhythms, are directly influenced with the aid of the intervals of sunlight hours and darkness in the environment.

What is circannual rhythm?

Circannual rhythms are self-sustained endogenously driven organic oscillations that persist with a everyday periodicity of about 12 months in the absence of environmental cycles.

Do human beings have a circannual rhythm?

Circannual rhythms are present in, e.g. mood, reproduction, beginning weight, sleep and season of birth of psychiatric patients. The human SCN shows strong circadian and circannual fluctuations in the wide variety of neurons expressing vasopressin.

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Related Questions

What is the answer to this Question?

What is the answer to this Question?

Answers

Answer:

D.

Explanation:

i did this question.

Homeostasis can require the control of many different variables in organisms. Homeostasis regarding internal body temperature is very important for many organisms. How is this different among ectotherms and endotherms?

Answers

Answer:

The term homeostasis refers to balance, where an organism seeks to maintain the balance of the temperature of its organism in order to persist in life.

There are organisms that are considered ectotherms, with which they release heat to the external environment in order to balance said increase in temperature and not denature their own proteins (such as enzymes, structural proteins, receptors, second messengers, etc.). On the other hand, in the case of endotherms, take energy from the medium to increase your body temperature and maintain it, since otherwise you could enter hypothermia.

In the human organism these principles occur both, not simultaneously, but according to the external temperature in which the human is, ectothermic / catabolic processes in heat stages and endothermic or anabolic processes in the cold stage.

Explanation:

In simple words, endotherm is the heat taken from the medium and exotherm or ectotherm is the release of heat to the medium.

This is so simple in objects, but in living organisms these processes have a reason, and that is why we explained above, when looking for a constant temperature these processes are responsible for mediating balance.

What chemical elements are present in proteins?

Answers

Carbon, Hydrogen, Oxygen and Nitrogen
Proteins are made of carbon, hydrogen, oxygen, and nitrogen

A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best fits the conversation?
Fossil fuels are cheaper than alternative forms of energy.
Fossil fuel reserves will never be depleted.
Fossil fuels are easily renewed.
Fossil fuel use does not affect the environment.

Answers

Answer:

The correct answer is - Fossil fuels are cheaper than alternative forms of energy.

Explanation:

Fossil fuels are made by the natural process in a longer time period such as anaerobic decomposition of the dead organism like plants, and animals. These plants and animal's decomposed organic matter pilled up to form coal, or natural gases or crude oil.

By the use of such fuels the reserves are continuously depleting and will be no longer available in the future if not managed properly as it can not be renewed. Fossil fuels increases the green house gases in environment and affect it by incresing carbon in atmosphere. However, these fuels are cheaper in comparision of other fuels.

Thus, the correct answer is - Fossil fuels are cheaper than alternative forms of energy.

Answer:

its A on edge

Explanation:

Which one is the true answer

Which one is the true answer

Answers

Carlos is correct, because sedimentary rock form under a lot of pressure

Indicate whether the statement is associated with initiation (1), elongation (E), or termination (T) of bacterial transcription. (3 pts) Starts with the formation of a closed complex. May occur either dependently or independently of the rho protein. Actively uses the template strand for RNA synthesis. Unraveling of the DNA occurs in AT-rich regions. The RNA polymerase moves along the DNA. The sigma factor within the holoenzyme binds to the DNA.

Answers

Initiation: Starts with a closed complex and sigma factor binding. Elongation: RNA polymerase moves along the DNA. Termination: rho-dependent or rho-independent.

The assertion "Starts with the development of a shut complex" is related with commencement of bacterial record. During commencement, RNA polymerase ties to the advertiser locale of DNA, framing a shut complex.

The assertion "May happen either conditionally or autonomously of the rho protein" is related with end of bacterial record. End can happen through two components: rho-subordinate end, which includes the rho protein, and rho-autonomous end, which happens without the inclusion of the rho protein.

The assertion "Effectively utilizes the layout strand for RNA blend" is related with prolongation of bacterial record. During lengthening, RNA polymerase moves along the DNA format strand, blending RNA in the 5' to 3' course.

The assertion "Unwinding of the DNA happens in AT-rich locales" is related with commencement of bacterial record. AT-rich locales are more straightforward to loosen up than GC-rich districts, and the kickoff of the DNA twofold helix is essential for record inception.

The assertion "The RNA polymerase moves along the DNA" is related with lengthening of bacterial record. Whenever record has been started, RNA polymerase keeps on moving along the DNA layout, incorporating the RNA particle.

The assertion "The sigma factor inside the holoenzyme ties to the DNA" is related with commencement of bacterial record. The sigma factor is a subunit of RNA polymerase that aides in perceiving the advertiser grouping and restricting to the DNA during commencement.

In outline, the assertions related with commencement of bacterial record are "Starts with the development of a shut complex" and "The sigma factor inside the holoenzyme ties to the DNA."

The assertion related with prolongation is "The RNA polymerase moves along the DNA." The assertion related with end is "May happen either conditionally or freely of the rho protein." The assertion in regards to DNA unwinding in AT-rich districts is pertinent to the inception stage.

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What happens to blood once oxygen hits and why?

Answers

Answer:it changes colour

Explanation:

When blood passes through the lungs, the hemoglobin absorbs oxygen from the air we breathe and turns bright red. Our heart then pumps this blood all over the body. When it reaches its destination, the oxygen is released from the hemoglobin, and the hemoglobin turns a darker red-brown.

What are the names of the TWO equations used to calculate membrane potentials? Other than the number of ion species, briefly describe how they are similar to and different from each other. (4 pts) What is an abnormally high concentration of K* in blood called? Briefly explain how it affects neuronal excitability. (4 pts)

Answers

The two equations used to calculate membrane potentials are the Nernst equation and the Goldman equation.

These two equations are similar in that they both involve the use of ion concentrations to calculate the membrane potential. However, the Goldman equation takes into account the relative permeability of each ion species, while the Nernst equation assumes a single ion permeability.

An abnormally high concentration of K+ in the blood is called hyperkalemia.

Hyperkalemia can cause an increase in the resting membrane potential, making it more difficult for neurons to reach the threshold for an action potential. This can lead to muscle weakness, cardiac arrhythmias, and other symptoms.

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___________ pressure is the pressure exerted by a liquid that occurs when blood moves through an artery at relatively high pressures.

Answers

Hydrostatic pressure is the pressure exerted by a liquid that occurs when blood moves through an artery at relatively high pressures.

The main force driving fluid transport between the tissues and capillaries is hydrostatic pressure. Hydrostatic pressure is the force exerted by the blood within blood vessels or heart chambers the pressure exerted by blood against the wall of a capillary is called capillary hydrostatic pressure (CHP)

Hydrostatic pressure can increase during changes in ambient pressure while flying and diving which results in reduced extravasation of fluid, promoting pulmonary edema. There are three types of pressure: hydrostatic pressure, osmotic pressure, and hydraulic pressure present in the blood.

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Name and organism that can reproduce both sexually and axesually

Answers

Answer:

Aphids, slime molds, sea anemones

Explanation:

hope this helps:)))))

Where do producers capture the suns energy ?

Answers

Answer: photosynthesis

What is the answer to this question

What is the answer to this question

Answers

Answer:

Differentiation

Explanation:

It is differentiation

The members of the phylum Porifera are commonly called?

Answers

Answer:

Sponges

Explanation:

Members of phylum Porifera are commonly known as sponges. They are generally marine and mostly asymmetrical animals. Spongilla is a fresh water sponge.

Which of the following would contain membrane-bound organelles? (select all that apply)
Prokaryotic Cells

Bacteria Cells

Eukaryotic Cells

Plant Cell

Virus

Animal Cell

Answers

Answer: Eukaryotic cells

Explanation: Eukaryotic cells contain all membrane bounded organelles.

golgi bodies, mitochondria, nucleus, vacuoles etc

Cellular differentiation (check all that apply) Check All That Apply
- involves a process regulated by genes.
- is comprised of tissues that degrade into undifferentiated cells. - can change the cell's morphology - helps to establish the function of a cell

Answers

Cellular differentiation is a process regulated by genes that helps to establish the function of a cell and change its morphology.

It is comprised of tissues that specialize to form different types of cells, which do not degrade into undifferentiated cells.

Cellular differentiation occurs when cells with a common origin develop into cells with unique characteristics and functions. It is regulated by genes and is necessary for the formation of tissues and organs.

During the process, cells acquire specific morphological and biochemical features that enable them to perform different functions.

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What is the species name of a frog that is between 1.5 and 6 inches long, has warts on its skin, and has a triangular mark between its eyes?

Answers

This frog is called the Acris crepitans

Carrying the genetic code and determining an organism's structure and function are the functions of
DNA
URNA

Answers

Answer:

DNA

Explanation:

The correct answer is the first option. Carrying the genetic code and determining an organism's structure and function are the functions of DNA. It is the hereditary material in almost all other organisms. The information in a DNA is stored as codes that is composed of chemical bases.

of 4
JU
Question 1
Which of the following compounds can be classified as lipids? Select all that apply.
A) peptides
B) steroids
C) saturated fatty acids
D) nucleic acids
E) disaccharides
OF) phospholipids
G) enzymes
DH) unsaturated fatty acids

of 4JUQuestion 1Which of the following compounds can be classified as lipids? Select all that apply.A)

Answers

The following compounds can be classified as lipids: steroids, saturated fatty acids, phospholipids, unsaturated fatty acids.

WHAT ARE LIPIDS:

Lipids are one of the four biomolecules in nature; the other three being proteins, nucleic acids and carbohydrates.

Lipids are composed of long chains of carbon, hydrogen and oxygen. They are insoluble in water.

Lipids consists of sterols, phospholipids, fats, triglycerides, unsaturated and saturated fats etc.

Therefore, the following compounds can be classified as lipids: steroids, saturated fatty acids, phospholipids, unsaturated fatty acids

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Individuals are predisposed to house certain species of microbes; switching from a high-fiber diet to one high in saturated fats will not change the microbial population of the gut. True or False

Answers

Individuals are predisposed to house certain species of microbes; switching from a high-fiber diet to one high in saturated fats will not change the microbial population of the gut. This statement is false.

It is not true that switching from a high-fiber diet to one high in saturated fats will not change the microbial population of the gut because it has been scientifically proven that the gut microbial population is highly influenced by the composition of the food consumed.

A diet high in saturated fats and low in fiber decreases the abundance of microbes that are beneficial for gut health and increases the abundance of microbes that are harmful to gut health. This diet shift may lead to inflammation and intestinal diseases as the gut’s ecosystem is disturbed. Fiber is the primary food for gut microbes and the increase in consumption of fiber leads to an increase in the diversity and abundance of beneficial gut microbes.

These beneficial microbes help to strengthen the immune system, improve digestion, and reduce inflammation. Thus, it is essential to maintain a balanced diet that is high in fiber and low in saturated fats to maintain the population of healthy microbes in the gut.

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An organism that uses CO2 for its carbon needs and sunlight for its energy needs would be called a/an

Answers

Answer:

Heterotroph

Explanation:

A heterotroph is an organism that ingests or absorbs organic carbon in order to be able to produce energy and synthesize compounds to maintain its life.

I think this is the answer. It may be autotroph if im wrong.

which genus or genera of hominin is/are most consistently associated with advanced stone tools?

Answers

Homo genus of homomin is frequently connected with associated stone tools.

The hominins are known to have employed more complex and diversified tools than their forefathers, such as the Australopithecus-associated Oldowan implements.

Homo erectus, for example, is connected with the Acheulean stone tool industry, which had more complicated and standardized handaxes and cleavers than previous implements. This implies that the evolution of the Homo genus was connected to an increase in cognitive capacity and technical innovation, which eventually led to the creation of contemporary human behavior.

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Is this correct pls help

Is this correct pls help

Answers

Answer:

melting

Explanation:

have a great day

hope helpful

which of the following is not a consequence from the runoff of fertilizers into the water supply? massive algal blooms poisoning of aquifers contaminated bodies of water a lack of nutrients in the soil

Answers

A lack of nutrients in the soil is not a consequence of the runoff of fertilizers into the water supply.

Too much fertilizer can actually kill a plant, and it can also lead to toxic algal blooms in lakes and streams that are harmful to both humans and their pets as well as other aquatic life.

Excessive fertilizer runoff from agricultural and lawn applications in coastal areas contributes to aquatic "dead zones" as well. In order to give plants the nutrients they require primarily nitrogen, phosphorous, and potassium in a form that is convenient for the roots of the plant, fertilizer is utilized.

To assist the plant to stay healthy and grow strongly throughout its life, fertilizer can or may be put into the soil. However, fertilizing too much can be detrimental.

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Answer:Which of the following is NOT a consequence from the runoff of fertilizers into the water supply?

Poisoning of aquifers

Contaminated bodies of water

A lack of nutrients in the soil

Massive algal blooms

Explanation:

Correct Answer:

A lack of nutrients in the soil

A group of biology students test the growth of bacteria under different conditions. the students apply the same amount of bacteria to identical petri dishes enriched with nutrients, then place each plate at a different temperature. the bacteria are allowed to grow for three days after which the number of bacterial colonies on each plate is counted. what is the dependent variable in this experiment?

Answers

I will leave your question unanswered. Thanks for the points I stole from you!

deja lo checo y te ayudo

Explanation:

después te ayudo

The following are the bases on one side of the DNA molecule. List the bases that would be on the opposite side of the DNA. G- C- T- C- A- G- G- C- G-

Answers

Answer:

C-G-A-G-T-C-C-G-C

Explanation:

The letters each have their own opposites. T is always the opposite of A. G is always the opposite if C

What is one major difference between federal and unitary governments?


A.
Constitutions are more important to a unitary government.

B.
There is more separation of powers in a unitary government.

C.
State governments are more powerful in a unitary government.

D.
The central government is stronger in a unitary government.

Answers

The answer would be C. State governments are more powerful in a unitary government

Answer: the central government is stronger in a unitary government

Explanation:

i got it wrong and it said that’s the correct one

If 15% of a DNA molecule consists of thymine, what percentage must there be of the
other bases?

Answers

Answer:

If thymine makes up 15% of the bases in a certain DNA sample, what percentage of bases must be cytosine? If the DNA is double stranded, A = T and G = C. If T = 15%, then C = 35%.

Based on the lab results, which organism is most likely causing Tori's new symptoms?

Answers

Answer:

Based on the lab results, which organism is most likely causing Tori's new symptoms? Which of the following best explains why Tori developed a new series of symptoms? -Tori's immune system was compromised because of her respiratory infection, and this resulted in a yeast infection.

Explanation:

Which of the following organelles directs cellular
activity and stores chromatin?

Answers

Answer:

Nucleus

Explanation:

The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.

Chromatin is a complex of DNA and protein found in eukaryotic cells. The primary function is to package long DNA molecules into more compact, denser structures.

How do you draw a picture of
2n- diploid number of chromosomes (ex. Humans are 2n or 2*23=46)

Answers

A human cell has 46 chromosomes in total, which are divided into 23 pairs and two sets (one from each parent) in the ensuing karyotype.

What is the human 2n haploid number?

For humans, each diploid cell contains 46 chromosomes. There are 22 pairs of inherited, or non-sex, chromosomes among them, and two of them determine sex. Two times as many chromosomes as those in a haploid cell, or 2n, make up the total amount of chromosomes in diploid cells. (n).

What chromosome does 2n 2 belong to?

In this straightforward illustration, a diploid bodily cell has 2n = 2 chromosomes. Mom and parent each contributed one chromosome. 2n = 46 in people, so 23 were inherited from the mother and 23 from the father.

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