I say b and d because they both indicate about the heart
Answer:
Biology is the study of living things.
The scientific method is a method of procedure that has characterized natural science.
Explanation:
Answer:
A. Pollen, stigma, pollination
Explanation:
Prey or predation is a biological interaction where a predator (an organism, often an animal) kills and eats its prey (another organism).
Like a mouse getting caught and eaten by a bird of prey (Eagles, hawks, etc.)