Compare the productivity of terrestrial and aquatic ecosystems against the percent of Earth’s surface area they occupy.

How many major plates cover the earth

How water is moving through the ecosystem ?

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water