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SpyIntel [72]
3 years ago
10

Which best explains the circulation system within mammals?

Biology
1 answer:
Oliga [24]3 years ago
6 0

The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.

The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.

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What is the main source of energy for most life on earth? __
hodyreva [135]

Answer:

Sun

Explanation:

The main source of energy of energy for most organisms and the ecosystems. For example, producers, such as flowers and trees, use sunlight to go through photosynthesis.

6 0
2 years ago
Imagine a population of rabbits with fur color that ranges from black to white. If this population were put in an area that has
Molodets [167]

The correct answer is option (C) Gray rabbits would be eliminated by predators.

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The example given above is a type of camouflage through concealing coloration. Concealing coloration includes having a fixed camouflage and changing the camouflage depending on the environment. Grey rabbits cannot exhibit camouflage as the backgroud is dark rocks and light stones. As a result, these rabbits are clearly visible to the predators and get elimiated by them.



4 0
3 years ago
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andrew-mc [135]

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3 0
2 years ago
A rise in the level of interferon in the body suggests what kind of infection
Bess [88]
A lymphatic system. I really hope this answer helps you.
7 0
2 years ago
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Carbon is found in: (select all that apply)
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