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BJU Life Science 17
Bob Jones Life Science - Chapter 17
| Question | Answer |
|---|---|
| food chain | The passing of material and energy from one organism to another |
| food web | An illustration of the interrelationships between food chains in an ecosystem |
| ecological pyramid | A diagram divided into layers to show the energy relationships between organisms in an ecosystem |
| trophic level | A level in an ecological pyramid that shows the flow of energy through a food chain and that is dependent on the level below it for energy |
| animal society | A group of animals of the same species that live together |
| social insect | Insects that live in a colony and are organized into classes |
| competition | The struggle among organisms for an essential factor that is in short supply in the environment |
| predator | An animal that kills and feeds on other animals |
| prey | An animal that a predator eats |
| commensalism | A relationship between organisms of different species in which one organism benefits and the other is not helped or harmed |
| scavenger | An animal that eats dead animals |
| epiphyte | A plant that grows on the outside of another plant but does not take nourishment from the plant on which it grows |
| mutualism | A symbiotic relationship between organisms of different species that is beneficial to both organisms |
| parasite | An organism that obtains nourishment from and harms (but usually does not kill) another organism |
| host | An organism that provides nourishment for and is harmed (but not usually killed) by another organism, such as a parasite |
Created by:
marchscience
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