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12 Cards in this Set
- Front
- Back
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levels of orgainization within an ecosystem
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Organism Population Community Ecosystem
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abiotic factors
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nonliving part of an ecosystem
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adaptions
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the behaviors and phsical characteristics of species that allow them to live sucessfully in their environments
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parasitism
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a relationship in wich one organism (the parasite) lives inside another (the host) and harms it -- host stays alive to help parasite, b/c if host dies, so does parasite
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habitat
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the place where an organism lives and that provides the things it needs
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ecology
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the study of how living things interact with each other and their environment
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immigration
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moving into a population
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emigration
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leaving a population
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what causes a population to increase in size?
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when the birth rate is higher than the death rate
when more organisms immigrate than emigrate |
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what factors limit population growth?
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limiting factors-- food, space, weather
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what adaptions do prey have that help them survive?
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camoflague (spiny bugs), warning color
(frog releases toxic), poison (skunk), protective covering (porcupine), mimicry (fly looking like bee) |
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what adaptations do predator have that keep them alive?
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cheeta- sprints
sundew- uses goo to catch flies jellyfish- poison claws, teeth, stingers |
