what is the function of Placenta? During which stage is it completely formed? &How will the fetus body temperature be regulated after birth? During which stage does this method of regulation develop?

Answers

Answer 1

Answer: the placenta allows nutrients and oxygen travel from the mother to the fetus(or to the Baby.
The placenta is fully formed by 18 to 20 weeks
These are all I know

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fungi may grow on and destroy healthy leaves of many tropical plants what does it symbolize? answers are / predation parasitism saprophytism mutalism

Answers

I'd say parasitism! It makes sense because fungi is a parasite. I think.

Choose "innate" if the behavior is an innate behavioral adaptation and "learned" if it is a learned behavioral adaptation.A child reads.
a. innate
b. learned

Answers

A innate. No one taught the chick how to hatch :)

Answer:

A; Innate

Explanation:

the chick had no one to show it how to breck the egg

Bacteria from the soil absorb nitrogen from the air and convert it into ammonium. This is an example of _____.the hydrologic cycle
nitrogen fixation
assimilation
carbon cycle

Answers

Nitrogen fixation

This process creates organic compounds, including ammonium, that contribute to the growth of a plant in much the way fertilizer does. Many plants have evolved to facilitate nitrogen fixing bacteria in their roots as to promote production of these organic compounds when the soil quality is poor or lacking in these bacteria.

Bacteria from the soil absorb nitrogen from the air and convert it into ammonium. This is an example of nitrogen fixation .

An organism that gets energy by eating meat or living or dead things

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Carnivore get energy by eating meat living or dead.

The sigmoidal relationship between prey density and per capita predation rate in a Type III functional response can be explained by all of the following factors, except(A) Predator density.(B) Predator preference of prey switches.(C) Prey access to refuge.(D) Recognition of prey by predator.

Answers

Answer:

predatory density.

Explanation:

According to my research on sigmoidal relationships, I can say that based on the information provided within the question this is explained by all except for predatory density. This is basically defined as the amount there are of prey hence density.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Illustrate the resting potential, and explain how it helps transmit signals in neurons.

Answers

A neuron is a specialized cell whose function is to transmit nerve impulse
A resting potential is defined as the potential when neurons are not excited and they are at rest and at this phase the neurons don't transmit or receive the nerve impulse and it is -70mv and this potential is due to presence of the
negative charges inside the membrane
There is also action potential that generate the nerve impulse
hope it helps

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