I think it is A because if both parents have it and their families have a past of it the child will definitely have it.
Answer:
A. flowers that bloom in different months
Explanation:
Temporal isolation is a prezygotic barrier that is caused by the inability of two closely related species to interbreed as a result of differences in breeding season.
If two related species of plants have flowers that bloom in different months, the possibility of both fertilizing each other is very slim. Both flowers won't be able to interbreed as a result of this reproductive isolation mechanism, called temporal isolation.
By:
individual genetic makeup
Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
The Earth is spinning on an axis, and spinning around the sun. The side not facing the sun experiences night time. The side of the Earth facing the sun experiences day time.