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.

Q: Question: Would a big star be 
 Answer: hotter

A: Bigger stars produce more energy, so their surfaces are hotter.
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Q: 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

A: As the population increases, the food supply, or the supply of another necessary resource, may decrease.
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Q: Question: Sarah ate a piece of shark meat for dinner, Sarah's levels of toxic metals have 
 Answer: increased or

A:
The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
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