They both act like filters. The coffee filter makes sure that coffee doesn't go in the drink and the kidney makes sure solids don't pass by.
If the environment changes quickly and no individual members of a species are able to survive in the new environment, then the species will become extinct in that environment
The body structure ( ovaries, testes, and external genitalia) that make sexual reproduction possible. Secondary spermatocytes
I believe it's either genus or species.
Act as a baseline to compare your data to