Why do mice scrunch up when they eat? I have two female mice that are just adorable, and I’ve seen every other mouse scrunch up when they eat, and I was just wondering why.

Environmental differences within ecosystems are generally caused by

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.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?