Final answer:
A biologist studies the living world, including plants, animals, and microorganisms. They use scientific methods to understand their structure, function, behavior, and interactions with the environment.
Step-by-step explanation:
A biologist studies the living world. They study living organisms, including plants, animals, and microorganisms, to understand their structure, function, behavior, and interactions with their environment. Biologists may specialize in various subfields such as botany, zoology, or microbiology, and they use scientific methods, experiments, and observations to gather data and draw conclusions.
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