Fill in the blanks. By looking at the forelimbs of several (animals with backbones), we can see that they have bone structure even though they have completely different . This tells scientists that these organisms all have a . ​

In the practice of science, this type of reasoning is used to develop explanations.

What drives an advertising campaign?

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.