What must happen in order for a new species to evolve? They must mate with other species; the gene pools of two populations must become separated, or reproductively isolated.
Answer:
<h2>a combining form with the meanings “living substance,” “tissue,” “substance of a cell,” used in the formation of compound words: endoplasm; neoplasm; cytoplasm</h2>
Answer:
it is called ph scale.....
So the organism doesn't lose too much moisture and dehydrate, or absorb too much moisture from the environment and disrupt it's equilibrium/homeostasis. Neither scenario is healthy for the organism.
Hope this helps! :)