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Study
Ecosystems Topic 1-3
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oxpeckers eating ticks off of a zebra is an example of which symbiotic relationship?
mutualism
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a symbiotic relationship in which one organism benefits and the other is harmed
parasitism
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the 4 basic needs of all living things
food, water, suitable habitat, air
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a symbiotic relationship in which one partner benefits and the other neither gains nor loses
commensalism
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What is an adaptation?
an *inherited* characteristic that helps an organism survive and reproduce in its environment
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What is the difference between a need and a want?
Need: can't live without. Want: make life more enjoyable but we could live without it.
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the study of the relationship between living organisms and their environment is called _____
ecology
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Give an example of a way humans have attempted to control the environment, AND the unintended effect
Fires/DDT/Predators/etc.
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a symbiotic relationship in which each organism benefits
mutualism
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Give an example of how humans can harm and help organisms around us
(answers will vary)
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Frogs using plants as protection is an example of which symbiotic relationship?
commensalism
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The total area of land and water needed to supply all the materials and energy you use and absorb all the waste you produce is called your _______
ecological footprint
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What is symbiosis?
a relationship between *two species* living closely together that *lasts over time*
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Some plants have no leaves or chlorophyll of their own but steal nutrients from the plants they live on. This is an example of...
parasitism
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Name AND define the "Three R's"
Reduce, reuse, recycle
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A(n) _______ is the interactions between living and non-living things in a particular environment
ecosystem
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Define sustainability
when resources are renewed at least as quickly as they're absorbed, and all wastes are absorbed
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