Which of the following is true about ecological succession?

Consider the following statements:

I. Any undesirable change in physical, chemical or biologic characteristics of air, land, water or soil is called pollution.

II. Term biodiversity is given by Edward Wilson.

Which of the above statements is/are correct?

Consider the following statements:

I. Bats

II. Bears

III. Rodents

The phenomenon of hibernation can be observed in which the above kinds of animals?

Select the correct answer using the codes given below.