| A | B |
| abiotic | the non-living part of the environment |
| community | all the populations of species that live and interact in the same habitat |
| ecosystem | A community of organisms and their abiotic environment |
| population | A group of organisms of teh same species living in the same area |
| biosphere | the part of Earth where life exists |
| ecology | the study of teh interactions of living organisms with each other and the environment |
| herbivore | an organism that eats only plants |
| food chain | a diagram that shows how energy in food flows from one organism to the other |
| carnivore | An organism that eats only animals |
| food web | A diagram that shows the feeding relationships between organisms in an ecosystem |
| omnivore | an organism that eats both plants and animals |
| Guida | Your science guy |