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science test 12/1/14
| Term | Definition |
|---|---|
| organism | a living thing. we are an organisms |
| habitat | it is a place that an organism needs to live,grow, and reproduce. A pond is a frog's habitat. |
| biotic factors | they include animals,plants, and other organisms. |
| abiotic factors | they include water,sunlight,oxygen,temperature, and soil. |
| photosynthesis | plants and algae need water, carbon dioxide, and sunlight |
| producer | An organisms that can make its own food is called a producer. |
| consumer | An organisms that gets energy by eating other organisms is called a consumer. |
| Herbivores | consumers that eat only plants. |
| Carnivores | consumers that eat only animals. |
| omnivores | consumers that eat both plants and animals. |
| decomposer | An organism that gets energy by eating wastes and dead organisms. |
| food chain | shows a series of organisms that eat other organisms. |
| food web | a web made up with foods in an ecosystems. |
| energy pyramid | a diagram in the shape of a pyramid. It shows how much energy moves from one feeding level to another. Energy moves from the bottom level up to the top level. |