| Term | Definition |
| all the populations in an ecosystem make up the | community |
| this is an herbivore | rabbit |
| producers | have the most energy in a food chain |
| pyramid of energy | is like a food chain but shows how energy is lost |
| top carnivore | a wolf |
| food | how energy moves through an ecosystem |
| abiotic factor | a rock, temperature, sunlight, non living things |
| factors that determine life in an ecosystem | temperature, weather, landscape, resources |
| Sun | the main energy source in an ecosystem |
| producers | any green plant that gets energy from photosynthesis |
| Primary consumers | mouse, cow, animals that eat plants |
| secondary carnivore consumers | small meat eating animals - snakes |
| Top Carnivores | large meat eating animals - bears, lions |
| decomposers | organisms that eat dead things, worms, fungus |
| Energy path in a food chain | Sun - producers - herbivore consumers - carnivore consumers- top carnivore - decomposer |
| ecosystems | grass land, rain forest, desert, taiga |
| animal feeding relationships | predator and prey |
| food | how energy moves through an ecosystem |