1. It is the amount of light that strikes the earth's surface. 2. Type of plants that grows healthy in well-lighted ecosystem.
3. This affects the behaviour and function of plants as to the relative length of daylight and darkness.
4. This is a group of animals with stable bodily temperature.
5.Group of animals with unstable body temperature.

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.