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25 Cards in this Set
- Front
- Back
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individuals of a single species fighting over access to a limited resource is one example of |
competition |
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by definition, parasites _______ their host |
feed on and harm |
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_____ capture solar energy and use photosynthesis to produce sugars |
producers |
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grazing animals such as cows are ______ |
primary consumers or herbivores |
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zooplankton-eating fish are ______ |
secondary consumers |
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what is true about top predators? |
they are likely to be keystone species |
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secondary succession ______ |
occurs after a fire or flood |
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_____ are typical primary consumers in a temperature deciduous forest |
deer |
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herbivory is a type of |
exploitation |
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microbes in our digestive tract that help us digest food demonstrate a(n) _______ association |
mutualistic |
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which of the following are pioneer species? |
lichens/moss |
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the energy content and biomass of ______ is lowest in any food web |
top carnivores |
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a trophic cascade is the effect of _______ on ________ |
top consumers/abundance of lower consumers |
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the relationship between a hawk and a field mouse is best described as ______ |
predation |
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the relationship between flowering plants and caterpillars is best described as ______ |
mutualism |
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resource partitioning can lead to development of specialized physical attributes which is called ________ |
character displacement |
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an organism's role and use of resources would be its |
niche |
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an insect that has evolved to resemble a plant twig will likely be able to avoid |
predation |
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most food pyramids studied by ecologists have a maximum of how many levels |
4 |
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consider a field plot containing 200kg of plant matter. how many kg of secondary consumer can be supported (according to 10% rule)? |
2 |
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parasitism and predation are similar in that both can be characterized as |
+/- interactions |
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an autotroph |
grass |
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smallest biomass |
snake |
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teritary consumer |
mouse |
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a herbivore |
grasshopper |
