The gills of fish maintain effective oxygen uptake from water and the legs of seagulls reduce the loss of heat to the external environment by the same circulatory mechanism known as __________.

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#Question id: 12757

#XL - T Zoology

Biomanipulation can best be described as

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#Question id: 12760

#XL - R Botany

Which of the examples below provides appropriate abiotic and biotic factors that might determine the distribution of the species in question?

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#Question id: 12785

#XL - R Botany

Which of the following members of a marine food chain occupies a similar tropic level to a grasshopper in a terrestrial food chain?

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#Question id: 12789

#XL - R Botany

Which of the following terms encompasses all of the others?

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#Question id: 12790

#XL - R Botany

Which of the following are responsible for the conversion of most organic material into CO  , which can be utilized2 in primary production?

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#Question id: 12796

#XL - R Botany

In which of the following terrestrial biome pairs are both dependent upon periodic burning?