The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by

TLS Online TPP Program

#Question id: 11332

#Unit 10. Ecological Principles

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

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.

TLS Online TPP Program

#Question id: 11333

#Unit 10. Ecological Principles

Small geographic areas with high concentrations of endemic species and a large number of endangered and threatened species are known as

TLS Online TPP Program

#Question id: 11334

#Unit 10. Ecological Principles

To qualify as a biodiversity hotspot, a region must meet following two strict criteria

TLS Online TPP Program

#Question id: 11335

#Unit 10. Ecological Principles

Which of the following have minimum NET PRIMARY PRODUCTIVITY ?

TLS Online TPP Program

#Question id: 11336

#Unit 10. Ecological Principles

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?

TLS Online TPP Program

#Question id: 11337

#Unit 10. Ecological Principles

In which of the following biomes would we expect to find permafrost?