Answer:
true, the alternative would be postzygotic barriers.
Explanation:
Plants exchange gases with their surroundings through openings in their Leaves, Stomata.
Answer:
Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence
Explanation:
genetic change is basically same thing as mutation