<span>Natural selection means that the individuals that are best adapted within a population are the ones that will survive.</span>
Cells have different uses and functions. There must be differentiation/diversity between cells to form a functional organism.
Explanation:
can you tell the mass of the bucket
A scientific model is used to make a part of the world easier it could be use to explain something and make it understandable to learn. It is mainly use to provide a reference for other people by showing them a example and a experiment on how the that subject works. The main purpose of scientific models is "to explain something that cannot be experienced directly."
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