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.

Input: Consider Input: Question: Twenty wolves recently left their pack for new territory. The smaller number of wolves in the pack means that the availability of food will be 
 Answer: greater

Output: As the population increases, the food supply, or the supply of another necessary resource, may decrease.


Input: Consider Input: Question: If a dog is extremely unfit and unhealthy breeders will want it to have 
 Answer: less offspring

Output: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.


Input: Consider Input: Question: Causing particles in a longitudinal wave to move further apart causes the amplitude to 
 Answer: decrease


Output: The closer together the particles in a longitudinal wave are, the greater the amplitude.