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Ecology
Food Webs/Food Chains 7.14A
| Term | Definition |
|---|---|
| Abiotic Factor | The part of the ecosystem that is not alive and has never been alive (sun, soil, water, etc) |
| Adaptation | A characteristic that helps an organism survive in its environment (Ex: A cactus storing water) |
| Biome | A plant and animal community that covers a large part of the Earth |
| Biotic Factor | The part of an ecosystem that is alive |
| Carnivores | An organism that eats only other consumers (meat eater) |
| Community | A group of organisms living together in a certain area |
| Consumers | An organism that survives by eating producers or other consumers in its ecosystem |
| An organism, such as bacteria or fungi, that breaks down dead matter and returns nutrients to the soil | Decomposers |
| Ecology | The study of how living things interact with one another and their environment |
| Energy Pyramid | An energy pyramid is a graphical model of energy flow in a community. The different levels represent different groups of |
| organisms that might compose a food chain. From the bottom up, they are as follows | Producers —Primary Consumer-Secondary Consumer-Tertiary Consumer-Quaternary Consumer-Apex Predator |
| Ecosystem | All the living and nonliving things in an area and their interactions |
| Fauna | The animal life in an area |
| Flora | The plant life in an area |
| Food Chain | The order in which animals feed on plants and other animals (shows how energy flows from producer-consumer-decomposer) |
| Food Web | Many food chains put together to show how energy flows through the ecosystem |
| Habitat | The place and surroundings where an organism normally lives |
| Herbivores | An organism that eats only plants |
| Limiting Factor | Something in an environment that keeps the population of an organism from increasing as much as it could |
| Niche | The role that an organism plays in its environment |
| A consumer that eats both plants and meats | |
| Population | All the members of one species that live in one area |
| Predator | An animal that hunts, kills, and eats other animals |
| Prey | An animal that is hunted, killed and eaten by a predator |
| Primary Consumer | An organism that eats a producer |
| Producer | An organism that can make its own food |
| Secondary Consumer | An organism that eats a primary consumer |
| Tertiary Consumer | An organism that eats the secondary consumer |
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