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Chapter 18 Vocab
Life science terms
| Term | Definition |
|---|---|
| ecology | the study of the interactions of organisms with one another and with there environment. |
| biotic | organisms that live together and interact with one another. |
| abiotic | part of the environment that consists of the nonliving factors such as water, soil , light, and temperature. |
| 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 and interact with each other. |
| ecosystem | a community of organisms and their abiotic environment |
| biosphere | the part of Earth where life exists |
| herbivore | organism that eats only plants. |
| carnivore | an organism that eats animals |
| consumers | organisms that eat other organisms |
| omnivore | an organism that eats both plants and animals |
| food chain | a pathway of energy transfer though various stages as a result of the feeding patterns of a series of organisms |
| food web | a diagram that shows the feeding relationships between organisms in a ecosystem. |
| scaverngers | omnivores that eat dead plants and animals. |
| photosyntheisis | the process of making food from the sun's energy |
| producers | organisms that use sunlight directly to make food. |
| energy pyriamid | a triangular diagram that shows an ecosystems loss of energy, which results as energy passes through the ecosystem's food chain. |
| carrying capacity | the largest population that an encironment can support. |
| limiting population | a resource that is so scarce that it limits the size of a population. |
| prey | an organism that is killed and eaten by another organism. |
| predator | an organism that eats all or part of another organism. |
| warning colors | bright colors on an organism that warn predators that it is posonious. |
| camouflage | blending in with the background of the enviornment. |
| symbiosis | a relationship in which two different organisms live in close association with each other. |
| mutualism | a relationship between two species in which both species benefit. |
| commensalism | a relationship between two organisms in which one organism benefits and the other one 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 that makes the relationship more beneficial to both species. |
| parasite | the organism that benifeits |
| host | the organism that is harmed. |
| pollinator | an organism that carries pollen from one flower to another. |
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Mini_Festus
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