Question

The red data book records-
A. Species diversity of wetlands
B. List of water pollutants
C. List of threatened species
D. Rate of population decline

Answer 1

A book was created by the World Conservation Union. In the list of this book those species are included which if not provided care and protection from human exploitation, attack of alien species and habitat destruction.

Complete step-by-step answer:
1. In this world various types of living organisms are found. Many species have become extinct due to human exploitation or other reasons.
2. Some of these are not extinct but in danger of being extinct, these are called as threatened species. These species name are recorded in red data book.
3. The aims of red data book are as follows :

1. To spread awareness about the importance of endangered species.
2. To identify threatened species.
3. To provide global importance to threatened species.
4. To provide them protection at local level.

Additional information: 'Red Data Book' contains lists of all the species of plants and animals whose continued existence is threatened. Species are classified into different categories of perceived risk. Each 'Red Data Book' usually deals with a specific group of animals or plants (eg., reptiles, insects, mosses). They are now being published in many different countries and provide useful information on the threat status of the species. The 'Red Data Book' is a list of endangered species. It is released by IUCN (International Union for Conservation of Nature). It was first released in 1963.

So, the correct answer is “Option C. list of threatened species ”.

Note: In the list of red data books there are 8 categories made but 4 of them are for threatened species, That are critically endangered, least concerned, vulnerable and endangered. Some threatened species are black buck, blue whale and red panda.