AP BIOLOGY

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CLASSIFICATION

THE THREE DOMAIN CLASSIFICATION SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Many tree frog populations are threatened due to habitat loss. In an effort to promote conservation, tree frogs may be bred in captivity. A zoo acquired male and female tree frogs from two different populations. In the zoo, the tree frogs were able to successfully mate within their own population, but breeding attempts between the two populations were unsuccessful.Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?
A
They are in the same species but different kingdoms.
B
They are in the same class but different phyla
C
They are in the same family but different orders
D
They are in the same genus but different species.
Explanation: 

Detailed explanation-1: -Which statement provides the best explanation for the difference in biomass of organisms found at each trophic level? Organisms at higher trophic levels have less energy available to them than organisms at lower trophic levels.

Detailed explanation-2: -Wildfires release carbon dioxide and other pollutants into the atmosphere, exacerbating global warming, and in severe cases, irreparably damaging forests ecosystems. The resulting smoke and haze can travel miles, creating public health crises as people breathe in unhealthy levels of pollutants.

Detailed explanation-3: -The nitrates fall to the ground in raindrops and seep into the soil in a form that can be absorbed by plants. Lightning does add nitrogen to the soil, as nitrates dissolve in precipitation. This helps plants, but microorganisms in the soil do the vast majority of nitrogen fixation.

Detailed explanation-4: -The correct answer is (e) kingdom. The levels of taxonomic classification, from most general to most specific, are: kingdom, phylum, class, order, family, genus, species. The classification system is hierarchical, so organisms of the same phylum, for example, will also belong to the same species.

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