380468
Description
Flashcards by zombies_duhhh, updated more than 1 year ago
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Created by zombies_duhhh
over 10 years ago
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| Question | Answer |
| abiotic factor | non-living factor that affects an ecosystem in some way |
| biotic factor | living factor that affects an ecosystem in some way |
| niche | an organisms role in an environment |
| symbiosis | an association between two organisms of different species |
| mutualism | type of symbiosis in which both species benefit |
| parasitism | type of symbiosis in which one species benefits and the other is harmed |
| producer | organism that makes its own food; has the most available energy |
| consumer | organism that must get food energy from other sources |
| trophic level | level or step in a food chain or web |
| exponential growth | population growth exhibited when a population has unlimited resources and is free to reproduce |
| logistic growth | population growth exhibited when a populations resources run out and growth slows or stops |
| density-dependent factor | a factor affecting an ecosystem relative to size |
| density-independent factor | a factor affecting an ecosystem regardless of size |
| carrying capacity | the maximum number of organisms an environment can support due to available resources |
| gymnosperm | vascular plant that produces cones |
| angiosperm | vascular plant that produces flowers and fruits |
| xylem | type of vascular tissue that transports water from the roots through the stem and to the leaves of a plant |
| phloem | type of vascular tissue that transports sugar and other dissolved nutrients throughout a plant |
| innate behavior | instinctive behavior with which species are born |
| learned behavior | behavior that is acquired through experience |
| social behavior | behavior among members of the same species |
| sustainable pratice | environmentally safe practice that promotes conservation |
| global warming | an increase in the earths average temperature due to harmful pollutants emitted by humans |
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