TLS Online TPP Program

#Question id: 12587


The most plausible  hypothesis to  explain why  species richness is  higher in  tropical  than in  temperate regions is that

#Unit 10. Ecological Principles
  1. Tropical communities are younger.
  2. Tropical regions generally have more available water and higher levels of solar radiation. 
  3. Higher temperatures cause more rapid speciation.
  4. Biodiversity increases as evapotranspiration decreases.
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TLS Online TPP Program

#Question id: 9227

#Unit 9. Evolution & Diversity of Life Forms

A land developer and several ecologists are discussing how a parcel of private land should be developed with housing while saving 20 hectares as natural habitat. The land developer suggests that the 20 hectares be divided into 20 separate 1-hectare areas, spread out across the area. The ecologists suggest that it would be better to have one intact parcel of 20 hectares on one side of the larger area. What is the significance of these different arrangements of the 20 hectares?

TLS Online TPP Program

#Question id: 9228

#Unit 9. Evolution & Diversity of Life Forms

Use the following figure to answer the question


Looking at the figure showing the results of forest fragmentation, what can be said about edge effects?

TLS Online TPP Program

#Question id: 9229

#Unit 9. Evolution & Diversity of Life Forms

Which of the following is a generally accurate statement about the current research regarding forest fragmentation?

TLS Online TPP Program

#Question id: 9230

#Unit 9. Evolution & Diversity of Life Forms

Brown-headed cowbirds utilize fragmented forests effectively by ________.

TLS Online TPP Program

#Question id: 9231

#Unit 9. Evolution & Diversity of Life Forms

Movement corridors can be harmful to certain species because they ________.

TLS Online TPP Program

#Question id: 9232

#Unit 9. Evolution & Diversity of Life Forms

Establishing new nature reserves in biodiversity hot spots may not necessarily the best choice because ________.