The answer is "Vacuole". I hope this help!
1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
A or C
Explanation:
Gas does not have a volume correct me if im wrong
<span>Large changes in allele frequencies can occur in a short time - any changes in frequency, occurring as a result of random chance, would have a proportionally larger effect in a small population. </span>
D because gravitational force cannot pull or push
