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14 Cards in this Set
- Front
- Back
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1. What is the difference between a Scientific Theory and a Scientific Law?
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Law can't be changed. Theory is a belief.
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What allows organisms to survive the process of natural selection in their environments?
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Adaption.
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What is Parasitism? Example?
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Parasitism is where 1 benefits and one is harmed.
worms in dog. |
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What is commensalism? Example?
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Commensalism is where 1 is benefiting and 1 is not effected.
barnacles on whale. |
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What is mutualism? Example
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Where both are benefiting.
bee and flower |
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Fungi, protists, and bacteria are what?
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Decomposers.
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Example of higher trophic level made up of greater number of individuals?
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Insects on a tree
or open ocean |
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PCBs have a mulitrophic level effect on an ecosystem because the concentration of the chemical increases up the food chain. This effect is
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biomagnification.
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When producers inhabit bare ground in ecological community its known as
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primary succession
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first step of ecological development in lake ecosystem
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algae moves in
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carrying capacity
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max population
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bacteria living in soil and on the roots of some plants are important in the cycling of which essential element in an ecosytem
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nitrogen cycle has to be fixed
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cell theory
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all living things are made of cells
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why would we have changes to the theory?
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if we found something new or if technology advanced
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