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Define volume and formula of volume.

Who wants to talk? I am so bored

What happens when the cell copies its chromosomes

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.