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Chapter 1, 2, 3
Vocabulary
Term | Definition |
---|---|
Ecology | The study of interactions of living organisms with one another and with their environment. |
Biotic | Describes living factors in the environment. |
Abiotic | Descibes the non-living part of the environment, including water, rocks, light, and temputure. |
Population | A group of organisms of the same species that live in a specific geographical area. |
Community | All of the population of species that live in the same habitat and interact with each other. |
Ecosystem | A community of organisms and their aboitic, or non-living, environment. |
Biosphere | The part of Earth where live exists. |
Herbivore | An organism that eats only plants. |
Carnivore | An organism that eats animals. |
Omnivore | An organism that eats both plants and animals. |
Food chain | The pathway of energy transfer through various stages as result of the feeding patterns of a series of organisms. |
Food web | A diagram that shows the feeding relationships between organisms in an ecosystem. |
Energy pyramid | A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes throughthe ecosystem's food chain. |
Prey | An organism that is killed and eaten by another organism. |
Predator | An organism that eats all all or part of another organism. |
Symbiosis | A relationship in which two different organism live in close association with each other. |
Mutualism | A relationship between two species in which both species benefits. |
Commensalism | A relationship between two organism in which one organism benefits and the other is unaffected. |
Parasitism | A relationship between two species in which one species, the parasite benefits from the other species, the host, which is harmed. |
Coevolution | The evolution of two species that is due to mutual influence, often in a way thst makes the relationship more beneficial to both species. |