Punctuated equilibrium is a theory biology<span> which proposes that once </span>species<span> appear in the fossil record they will become stable.
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So according to above explanation
<span>C. puncated equilibrium</span> , is the correct
answer
It can affect the environment a little because it is explaining what it can do over the time when the evolution grows
Hope this helps :)
Answer:
How does a dichotomous key help you identify unknown specimens based on their traits?
Explanation:
see pic for edg
Answer:
The correct answer is option A. "The contents of blood come into closer contact with tissues in a closed system than an open system".
Explanation:
In a closed circulatory system, the blood has an specific path, circulating from arteries to veins and to smaller blood vessels throughout the body. This is in contrast with open circulatory systems at which the blood is not contained in arteries or veins but it suffuses the body. A closed circulatory system have many advantages over open circulatory system, however in a closed circulatory system the contents of blood are not into closer contact with tissues in than an open system. Actually, in an open circulatory system the blood is in closer contact with tissues.
