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: 10841

#Unit 10. Ecological Principles

An animal that is cryptically coloured probably

TLS Online TPP Program

#Question id: 7143

#Unit 5. Developmental Biology

The development of drugs to block the activity of vascular endothelial growth factor (VEGF) has been applied to the control of the growth of cancers. What is the rationale for such a strategy?

TLS Online TPP Program

#Question id: 31168

#Unit 7. System Physiology – Animal

When the excitable cells are incapable of producing normal action potentials, phenomena known as:

TLS Online TPP Program

#Question id: 24595

#Unit 2. Cellular Organization

Which of the following will show highest migratory distance on electrophoresis

TLS Online TPP Program

#Question id: 1078

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements about interferon is incorrect?