How much faster than normal extinction have humans caused extinction rates to climb?
a. 1000
b. 10
c. 1/2
d. 100

A 1000 times

Explanation:

Option (A)

Explanation: Extinction refers to the vanishing of any species or object, which are not going to reappear.

The human beings, because of their activities have raised the normal extinction rate upto 1000 times more. These activities are as follows-

All these above activities are equally responsible for causing damages to the environment and the existing ecosystem, where the different plant and animal species are harmed and are vanishing at a rapid rate.

Thus, the correct answer is option (A).

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

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