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14 Cards in this Set
- Front
- Back
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A biotic or abiotic factor that restricts the numbers of organisms in an ecosystem is called a (an) ____.
A) tolerating factor B) limiting factor C) primary succession D) end point |
B) limiting factor
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A ____ is an area where the annual rate of evaporation exceeds the rate of precipitation.
A) desert B) temperate forest C) tropical forest D) polar region |
A) desert
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How is a boreal forest different from tundra?
A) boreal forests are colder B) there is more permafrost in boreal forest C) there are less trees in boreal forests D) the ground remains warmer in boreal forests |
D) the ground remains warmer in boreal forests
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Look at the various zones in this ocean ecosystem. Of the zones shown here, which is able to support autotrophic producers?
A) aphotic B) benthic C) photic D) abyssal |
C) photic
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Low levels of sunlight and oxygen characterize which lake zone?
A) limnetic B) profundal C) littoral D) biotic |
B) profundal
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Material that is deposited by water, wind, or glaciers is called ____.
A) littoral material B) biotic material C) sediment D) plankton |
C) sediment
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One community replacing another as a result of changing abiotic and biotic factors is called ____.
A) ecological succession B) temperate change C) end point D) tropical succession |
A) ecological succession
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The average weather conditions affecting a biome is called ____.
A) temperate condition B) precipitation C) tundra D) climate |
D) climate
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The first organisms to appear during ecological succession are called ____.
A) succession plants B) pioneer species C) end point species D) primary organisms |
B) pioneer species
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Warm temperatures and large amounts of rainfall characterize what type of biome?
A) boreal forests B) tundra C) temperate grassland D) tropical rain forest |
D) tropical rain forest
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What are two features of coral reefs?
A) prevent shore erosion and live symbiotically with algae B) cause shore erosion and act as a parasite to algae C) exist in benthic zone and kill off other sea life D) exist in abyssal zone and lack polyps |
A) precent shore erosion and live symbiotically with algae
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What does this picture demonstrate?
A) increased latitude causes a temperature increase B) increased altitude or latitude causes a temperature decrease C) altitude affects temperature but not latitude D) latitude affects temperature but not altitude |
B) increased altitude or latitude causes a temperature decrease
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What is a climax community?
A) stable community with little change in species numbers B) community consisting of pioneer organisms C) community left behind immediately after a forest fire D) community with no biotic factors |
A) stable community with little change in species numbers
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Which statement is true bases on this picture?
A) temperature does not affect the physiology of steelhead B) colder water is always better for steelhead survival C) steelhead cannot tolerate temperature above or below a certain limit D) there is no upper limit for steelhead temperature tolerance |
C) steelhead cannot tolerate temperature above or below a certain limit
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