| A | B |
|---|
| energy flow | energy from the sun |
| focus | living organisms need energy for functions |
| consumers | receive energy by eating stored food |
| herbivores | animals that eat plants |
| carnivores | meat-eating animals |
| producer | a living thing containg chlorophyll |
| omnivore | a plant and meat-eating animal |
| decomposer | a living thing that eats dead meterials |
| food chain | arrangment of living things in order |
| food web | combination of all food chains |
| food pyramid | diagram to show the food amount |
| limiting factor | factor that controls the number of living things |
| carrying capacity | maximum number of living things |
| cycle | movment of resources |
| using energy | this step involves green plants, such as trees and grass |
| receving energy | animals and some small living things cannot make their own food |
| amount of food | differences in the sizes of populations are due to the amount of food energy avalibale |
| number of organisams | plantsfrom the base of the food pyramia |
| energy from the sun | energy begins with the sun |
| balance | the number of studys can be taught in the classroom is limited by factors |
