1:Carbon dioxide is a product 2:Carbon dioxide is a reactant
3:Carried out in animals
4:Carried out in plants
5:Chemical reaction
6:Oxygen is a product
7:Oxygen is a reactant
8:Produces usable energy source​

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

What molecule does hemoglobin decay into over time

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.