Protist just can do one function only.the just have
Answer:
The muscular system can be broken down into three types of muscles: skeletal, smooth and cardiac. The muscles in the body support movement, help maintain posture, and circulate blood and other substances throughout the body. ... It pumps out 2 ounces (57 grams) of blood with every heartbeat.
Explanation:
Answer is B. Black Death
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Answer:
the classmate is correct
Explanation:
they are luckier than most. for example
take a brown beetle in a green forest
and there will be some few green beetles, which is the artificial selection
those green beetles will survive better than the brown ones and this they have better traits. and the green beeetles will make up most of the population of beetle after a while. this is becuase the brown beetles need to evolve over time to the environment which will take a long time.