Answer:
matter
Explanation:
"In thermodynamics, a closed system can exchange energy (as heat or work) but not matter, with its surroundings"
I believe it would be the bottleneck effect. hope that helps =)
Answer:
Fourth trimester.
Explanation:
Fourth trimester is the fourth stage in which abortion can not be done because the baby is big enough in size and comes out from the womb. The abortion in this stage can put the life of the mother in danger so that's why abortion is not allowed. Newborn babies are learning to adjust itself to life outside the womb where it was warm so we can say that fourth trimester is the stage in which abortion is risky and dangerous.
Evolution occurs when<span>these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift
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