Axon: the messenger cell that carries the command to contract muscles.
A chase of cheetahs and lions and how they hunt the same prey and have to compete to get it first.
The answer is D. A species diversity
Answer:
osmosis is the movement of water molecules from a region of lower concentration to a region of higher concentration through a semi permeable membrane
Explanation:
note: osmosis only occurs in liquids
and a semipermeable is a membrane with very tiny holes that allows solvent molecules to pass through it readily but does not allow solute particles to pass through it