Hello,
The answer is "natural selection is how animals, or plants survive or adapt to their environment".
Reason:
Natural selection is how animals, or<span> plants survive or adapt to their environment this idea came up by Charles Darwin and how he examined the birds beaks which means he came up with the theory of evolution which means that animals evolve to a different type of that species to adapt to there environment with is natural selection.
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Hope this helps!
~Nonportrit </span>
In the direction of the applied force
ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.