Answer: D. her egg cells
Explanation: Mutations can only be passed down if the mutation happens in reproductive cells. Egg cells are reproductive cells. (Along with sperm in males.)
A. knowledge of the enviroment.
Answer:
Birds and bats have homologous limbs because they are both ultimately derived from terrestrial tetrapods, but their flight mechanisms are only analogous, so their wings are examples of functional convergence.
The concentration gradient is what makes the intramembrane proteins work. If there is no gradient, or in other words, the concentration is the same outside and inside the thylakoids, the ATP synthase would not be able to produce any ATP. So, the correct answer is: "<span>B. The chloroplasts would be unable to generate ATP."</span>