James Watson and Francis Crick
Answer:
The ploverbird and alligator have a symbiotic relationship.
Explanation:
The ploverbird cleans the alligators teeth in order to eat and the alligator gets a dental checkup so they both benefit from the relationship.
Answer:
3.The plants get their energy from the sun.
4.Most of the arrows are facing the eagle.
5.The rabbits and snakes would overpopulate.
Explanation:
The answer is b. is under purifying selection
