A is the answer.in meiosis
Answer:An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.
Explanation: National Geographic Society
D. is the answer.
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So from what i have understood, <span>males have unlimited sperm and females have limited ovum. That's why, there is a different cost of reproduction for males and females.
Hope this helps !
Photon</span>
