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10 Cards in this Set
- Front
- Back
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What three things make up the biosphere?
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top portion of Earth's crust, all waters, the atmosphere
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Decribe how acommunity and populaton differ.
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population-all organisms that belong to the same species
community-all populations in an ecosystem |
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describe the major differences between plants and animals
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animals-use respiration, have limbs, contain membrane bound structures
plants-use photosynthesis, use wind and insects for movement, have cell wall and chloroplasts, have membrane bound structures |
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Describe the differences between abiotic and biotic factors
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abiotic-nonliving features in an ecosystem
biotic-living features |
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Differentiate between a food web and a food chain.
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food chain-simple feeding relationship
food web-series of overlapping food chains |
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Which is considered more stable, a food chain or food web?
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a food web, if something in the web becomes extinct,organisms still have other food to eat
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Describe the three types of symbiotic relationships
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mutualism-both organisms benefit
commensalism-1 organism benefits and other isn't affected parasitism-1 organism benefits and the other is harmed |
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Describe the three types of symbiotic relationships
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mutualism-both organisms benefit
commensalism-1 organism benefits and other isn't affected parasitism-1 organism benefits and the other is harmed |
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What is the source of energy for all organisms?
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the sun
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What is ecology?
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the study of the interations between organisms and their environment
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