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24 Cards in this Set
- Front
- Back
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Mutualism is a form of species interaction where:
a. both species are harmed b. one species benefits, but the other is harmed c. both species benefit d. one species excludes the other from a particular area |
c. both species benefit
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Which statement is NOT true about trophic levels?
a. Plants are autotrophs and occupy the first trophic level b. detrivores consume waste products or dead bodies c. biomass and energy increase going up the food chain d. there are fewer predator species than prey species in an area e. consumers are heterotrophs |
c. biomass and energy increase going up the food chain
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A food web:
a. is much simpler than a food chain b. shows only the pathway of energy through an ecosystem c. usually lists all the species in an area d. includes many different organisms at all trophic levels e. shows that energy increases from lower to higher trophic levels |
d. includes many different organisms at all trophic levels
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Succession is...
a. what the south tried to do before the civil war b. related to an orderly progression of organisms that results in an unchanging climax community, that can still change. d. always primary succession. |
c. related to a progression of organisms that may result in an climax community, that can still change.
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_______ is defined as two organisms seeking the same limited resources.
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competition
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______ is defined as an interaction between two species where one captures and kills the other.
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predations
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______ species exert a greater amount of influence on an ecosystem's functioning than most organisms the ecosystem can become unbalanced.
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keystone
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T/F Zebra mussels are good for some fish species and not for others
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True
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T/F Some exotic, invasive species reproduce and then spread rapidly because there are no predators limiting their numbers.
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True
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T/F When populations of prey fall, then populations of their predators could fall
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True
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Explain what restoration work is AND give an example
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restoring the environment and preserving it.
keeping animals from being extinct. |
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Name three of the world biomes
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forest
desert savanna |
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T/F In the US in the last 500 years, about 237 animal and 30 plant species are confirmed extinct, but actual numbers are undoubtedly higher
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True
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T/F We know rather precisely how many species there are on Earth
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True
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T/F Ecotourism provides economic incentive for people to take care of their natural environment
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True
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T/F Biodiversity is equally distributed through the planet
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False
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T/F The US Endangered Species Act has not significantly assisted any species yet.
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False
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Biodiversity (Circle two that are true):
a. is a new form of fuel which produces fewer greenhouse gases b. is the sum total of all organisms in an area c. is a principle of environmental justice that ensures equality for people of minority races d. generally increases towards the equator e. is an Obama-Pelosi conspiracy surely leading to world government and the ascendency of the antichrist within our lifetime |
b. is the sum total of all organisms in an area
d. generally increases towards the equator |
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name an ecosystem service enhanced by preservation of biodiversity
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Clean H2O
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Describe the caterpillar shown in the lecture
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looked like fur
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As shown in lecture, A ______, (fill in the blank) bug was doing what when I first found it?
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patato head
camouflage |
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In lecture which one of the following was shown as an example of diversity:
a. pronghorn antelope b. millipede c. cicada d. mongoose e. black bear f. genetic strictures |
b. millipede
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major levels of trophics
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Producers, Consumers, Detritivores and Decomposers
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Endangered Species Act (ESA)
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the primary legislation for protecting biodiversity in the U.S.
goal: prevent extinction they have saved or stabilized species |
