Which period contains the first fossil records of dinosaurs

Why are adults bigger than they were as children biology

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

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.