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Practice problem

Respond to the Environment — Characteristics of Life

By Valeri Natole
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Contributors
1: A plant turns towards sunlight. 2: A person drinks water because she is thirsty. 3: A cat hunts a mouse when it is hungry. 4: A whale swims to warmer waters during the winter.

Which of these are responses to external stimuli?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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