| A | B |
|---|
| ecosystem | An interwoven system of living and nonliving factors that interact through nutrient cycles and energy flows. |
| habitat | The natural home or environment of an animal, plant, or other organism. |
| community | The total of all populations of living things within an area that interact with one another. |
| organism | An individual living thing, such as a plant, animal, fungus, or bacterium. |
| population | The total number of individuals of a species that interact with one another. |
| energy | Energy is transferred between organisms in food webs from producers to consumers. The energy is used by organisms to carry out complex tasks. Most energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants. |
| matter | Substances that make up the universe. All matter has mass and volume. |
| biotic | A living component of an ecosystem. |
| abiotic | A nonliving component of an ecosystem. |
| species | A group of living organisms that interbreed with one another. |
| producers | An organism that can make its own food using light or chemical energy. (ex: plants and photosynthesis) |
| consumers | An organism that gets its energy from eating other organisms. |
