What does a biologist study?

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A. The history of ideas

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B. The living world

C. Weather patterns

D. Subatomic particles

Answer: B. The living world

Explanation: Generally speaking, biologists study humans, animals, plants and bacteria to gain a better understanding of how the body and nature works

The answer is B.

Explanation:

A biologist is a scientist who studies life, specifically organisms and their relationship to their environment. Generally speaking, biologists study humans, animals, plants and bacteria to gain a better understanding of how the body and nature works, and how external factors may influence each organism.