Natural selection occurs to give help the best survival chance to the organisms.
Hi there.
to maintain bone health, fiber is the only vitamin that is synthesized by microbes in the intestine.
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Answer:
Cells make up the smallest level of a living organism such as yourself and other living things. The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life.
Answer:
Changes that cannot be reversed are called irreversible changes
Example: if you cook an egg or if something goes bad. these changes can not be reversed.
