| A | B |
|---|
| photosynthesis | process by which green plants make their food |
| energy source | the sun |
| producer | green plants |
| glucose | the simple sugar formed during photosynthesis |
| carbon dioxide | breathed out by animals and used in photosynthesis |
| chlorophyll | the green pigment in leaves that captures sunlight |
| consumer | an organism that eat another organism |
| herbivore | an animal that eats only plants |
| primary consumer | the first animal in a food chain that eats plants |
| secondary consumer | an animal in a food chain that eats primary consumers |
| omnivore | an animal that eats both plants and animals |
| carnivore | an animal that only eats meat |
| decomposers | organisms that break down dead organisms |
| scavengers | animals that feed on dead animals |
| bacteria | a type of decomposer |
| food chain | a diagram of how energy flows through an ecosystem |
| ecology | the study of living things in their environment |
| food web | a group of interlinked food chains |
