Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.

TLS Online TPP Program

#Question id: 20385

#Unit 13. Methods in Biology

PCR primer dimers are formed when 

TLS Online TPP Program

#Question id: 5339

#Unit 8. Inheritance Biology

In human, X and Y chromosomes are not generally homologous due to

TLS Online TPP Program

#Question id: 4572

#Unit 11. Evolution and Behavior

Of the following anatomical structures, which is homologous to the wing of a bird?

TLS Online TPP Program

#Question id: 15305

#Unit 4. Cell Communication and Cell Signaling

The multi-hit model, which proposes that multiple mutations are needed to cause cancer, which of the following is incorrect regarding to this model?

TLS Online TPP Program

#Question id: 11651

#Unit 10. Ecological Principles

Succession on a newly exposed site that was not previously occupied by soil and vegetation refers to