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: 2935

#XL - T Zoology

Breakdown of the nuclear envelope during mitosis is accomplished by CDK-dependent phosphorylation of lamins:

TLS Online TPP Program

#Question id: 2119

#XL - T Zoology

A sodium-potassium pump:

TLS Online TPP Program

#Question id: 433

#XL - R Botany

Fatty acid synthesis occurs in the ________, while fatty acid breakdown occurs in the

TLS Online TPP Program

#Question id: 5258

#XL - S Microbiology

Which of the following processes are not correct for conjugation?

TLS Online TPP Program

#Question id: 11757

#XL - T Zoology

Which of the following tends to decrease potassium secretion by the cortical collecting tubule?