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TLS Online TPP Program

#Question id: 9154

The main reason polar regions are cooler than the equator is that ________.

#Section 2: Evolution
  1. solar radiation strikes the poles at a lower angle and travels through more atmosphere
  2. the poles are farther from the sun than is the equator
  3. the polar atmosphere is thinner and contains fewer greenhouse gases
  4. the poles are permanently tilted away from the sun
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TLS Online TPP Program

#Question id: 12755

#Section 5: Applied Ecology & Evolution

Which of the following statements best describes why biologists are currently concerned with global warming and the thawing of permafrost in many areas of the tundra biome?
TLS Online TPP Program

#Question id: 12756

#Section 5: Applied Ecology & Evolution

Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.


The most likely cause for the shift in caterpillar peak mass is
TLS Online TPP Program

#Question id: 12759

#Section 5: Applied Ecology & Evolution

As climate changes because of global warming, species? ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that
TLS Online TPP Program

#Question id: 12760

#Section 5: Applied Ecology & Evolution

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

#Question id: 12762

#Section 5: Applied Ecology & Evolution

Find  appropriate option for  given question . The figure above depicts the intensity versus frequency curve of an a2coustical receptor of the larva of a noctuid moth. The larva is preyed on by a wasp whose vibrating wings produce a0buzz.
On the basis of the figure, it can be predicted that the wasp buzz 1has a frequency
TLS Online TPP Program

#Question id: 12956

#Section 5: Applied Ecology & Evolution

For  nearly 200  years, biogeographers have  noted that  the  tropics  have  more terrestrial species than  temperate regions. Which of the following is NOT a plausible explanation for this pattern?