Patterns of Biodiversity

The above graph shows species-Area relationship



The equation of the curve ‘a’ is

Keystone species deserve protection because these

Which of the following is a reason for the greater biological diversity of tropical regions?

An ecologist samples trees in multiple forest plots to determine species richness. Which ONE of the following can help determine the adequacy of sampling effort?

The exponent $z$ of the species-area curve measured at continental scales is

Which one of the following statements is a general feature of global species diversity$?$

Assertion $\left(\mathrm{A}\right):$ The tropical Amazon rain forest in South America has the greatest biodiversity on the earth.
Reason $\left(\mathrm{R}\right):$ The tropical latitudes have a long evolutionary time.

Assertion: The largely temperate Amazonian rain forest in South America has the greatest biodiversity on earth.

Reason: Species diversity increases as we move away from the equator towards the poles.

As you climb up the Himalayas, the biodiversity

As we move from the poles to equator, the biological diversity
 

Key species merit security since these ______.

The analogy between airplane and ecosystem was suggested by

What is the reason behind the greater intensity of biodiversity in tropical regions?

When there is movement from high to low altitudes, the species diversity _____________ .

Which of the following statements about biodiversity and conservation is incorrect?

With respect to the Amazon rainforest biodiversity, select the option that shows decreasing order in terms of biodiversity richness.

Which option is correctly referred to in the below statements?
a. In general, species diversity decreases as we move away from the equator towards the poles.
b. Within a region, species richness increases with increasing explored area but only up to a limit.

Which of the following statements is correct?

The pattern of biodiversity is affected by

In general, species diversity ............... as we move away from the equator towards the poles and with very few exceptions, tropics harbour $\dots .....\dots$ species than temperate or polar areas.