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Dmitry [639]
2 years ago
13

Gentoo penguins present a potential mate with a pebble. Emperor penguins have a specific call and movement that they make to att

ract a mate. Which type of isolation do these penguins demonstrate?
temporal isolation
behavioral isolation
geographical isolation
anatomical isolation
Biology
1 answer:
lukranit [14]2 years ago
7 0

Answer:

correct answer is B

Explanation:

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Term referring to the process in which certain compounds increase in concentration within biotic tissues as they move up through
melisa1 [442]

Answer:

a. Biomagnification

Explanation:

Biomagnification is the name given to the progressive accumulation of substances from one trophic level to another along a food chain. Thus, the substance will have its highest concentration in individuals who occupy trophic levels furthest from producers.

For biomagnification to occur, substances must be fat soluble (lipid soluble) and thus adhere to living tissues. Another feature of substances that undergo biomagnification is that they are generally not biodegradable or metabolized by the body.

The phenomenon is quite common with heavy metals (lead; mercury) and certain chlorinated and aromatic organic compounds with higher molecular mass, such as the insecticide DDT.

3 0
3 years ago
List the two elements of Darwin’s theory of evolution. What are some objections to these concepts?
Fynjy0 [20]
The two main points from Darwin's theory of evolution is that 1) most, if not all living organisms evolved from  one or just a few common ancestors and that subsequent specialization of further generations then led to new species. Furthermore, he said that 2) the process how this was done was by natural selection where the organisms which were most adapted to their environment were successfully 'remembered in the gene pool'. 
7 0
3 years ago
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!PLEASE HELP ASAP I NEED TO COMPLETE THIS TEST IT IS A REALLY HIGH GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!
LenKa [72]

Answer:

The main purpose of the circulatory system is to transport blood, oxygen, nutrients and hormones to and from different cells and tissues throughout the body.

Explanation:

This system works hand-in-hand with the respiratory system to facilitate the exchange of oxygen and carbon dioxide within the blood per the alveoli in the lungs.

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3 years ago
Helppppppppp! Will give
Murljashka [212]
I’m pretty sure the answers are- Oxygen and glucose
7 0
2 years ago
Which statement best describes a physical change?<br>hurry fast help ​
Aliun [14]

Answer:

the third one

Explanation:

physical change is only on looks

4 0
3 years ago
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