In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: If an animal is able to eat food more difficult is it more or less likely to reproduce? 
 Answer: less

Answer: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.


Question: Question: Since Kim has more melanin than Jennifer, when they lay out in the sun Jennifer's skin is _____ than Kim's. 
 Answer: lighter

Answer: However, the melanocytes of people with darker skin produce more melanin.


Question: Question: An young person has a _____ risk of developing a cardiovascular disease than a elderly person. 
 Answer: lower

Answer:
The older a person is, the greater their chance of developing a cardiovascular disease.