List four causes of biodiversity loss.

Mention four significant services that a healthy forest ecosystem provide. OR Substantiate with help of one example that in an ecosystem mutualists (i) tend to coevolve and (ii) are also one of the major causes of biodiversity loss.

The most important cause of biodiversity loss is

Name and describe any three causes of biodiversity losses.

Which of the following is not included in "Evil Quartet", with respect to the cause of biodiversity loss?

Read the following given examples (i) Plant - pollinator mutualsim (ii) African catfish in our rivers for aquaculture (iii) Fish species with its parasites. (iv). Nile perch and cichlid fish. Which out of these options correctly gives the examples of "Co-extinctions" as a cause of biodiversity loss?

Read the following given examples: (i) Plant - pollinator mutualism. (ii) Lichen. (iii) African catfish during aquaculture. (iv) Nile perch and Cichlid fish. Which out of these options CORRECTLY gives the example of 'Co - extinction' as a cause of biodiversity loss ?

In the World Summit …a… countries pledged their commitment to achieve by …b…. A significant reduction in the current rate of biodiversity loss at global, regional and local level.

Which of the following is a major cause of loss of biodiversity ?

Mention the effects of biodiversity loss in a region.

Which of the following is not a cause for loss of biodiversity ?