| A | B |
| energy flow | the conection between living organisms |
| using energy | a step to using energy properly |
| consumer | a living thing that eats other living things |
| herbivore | an animal that eats plants |
| carnivore | an animal that eats only other living things |
| producer | a living thing containing chlorophyll and capable of using sunlight to make its own food from materials taken from the soil and air |
| receiving energy | animals and other iving things receive this energy to make food |
| onmivores | an animal that eats both plants and other animals |
| decomposers | a living thing that feeds on dead materials, breaking them down and returning the material to the envronment |
| food chains and food webs | is a chain of food |
| food chain | the arrangement of living things in an order in which each uses the next as a source of foopd |
| food webs | the conection between all types of food chains |
| food pyramids | a diagram to show the amoun of food energy available changes at each step of the food chain |
| water cycle | the evaporation of water |