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Ecology Vocabulary
Vocabulary Words & Definitions
| Term | Definition |
|---|---|
| Ecology | Study of interactions of living organisms with one another and their environment. |
| Biotic | Describes the living factors in the environment. |
| Abiotic | Describes the nonliving part of the environment. |
| 5 Levels of Environmental Organization | Organism, population, community, ecosystem, biosphere. |
| Organism | A living thing. |
| Population | A group of organisms of the same species that live in a specific geographical area. |
| Community | All the populations of species that live in the same habitat interact with each other. |
| Ecosystem | A community of of organisms and their abiotic enviorment. |
| Biosphere | Part of Earth where life exists. |
| Producer | An organism that makes its own food from its surroundings. |
| Consumer | An organism that eats other organisms or organic matter. |
| Herbivore | An organism that eats plants. |
| Carnivore | An organism that eats animals. |
| Omnivore | An organism that eats both plants and animals. |
| Scavenger | An omnivore that eats dead plants and animals. |
| Decomposer | An organism that gets energy by breaking down the remains of dead organisms, organic wastes, and consuming or absorbing the nutrients. |
| Food Web | A diagram that shows the feeding relationships between organisms in a web. |
| Food Chain | Pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| Limiting Factor | A resource so scarce, it limits the population size. |
| Carrying Capacity | The largest population that an environment can support at any given time. |
| Predator | An organism that kills and eats other organisms. |
| Prey | An organism that is killed and eaten by other organisms. |
| Predator Adaptations | Adaptations that help catch prey. |
| Prey Adaptations | Adaptations that help avoid predators. |
| Symbiosis | The organisms that live in close association with each other. |
| Mutalism | A relationship where both organisms benefit. |
| Commensalim | A relationship between two organisms in which one organism benefits, while the other is unaffected. |
| Parasitism | A relationship there the parasite benefits, and the host is harmed. |