Question 24: ________ is the existence of a large number of different kinds of animals and plants which make a balanced environment.
– extinction /ɪkˈstɪŋkʃn/ (n): extinction
Eg: These animals are now on the verge of extinction.
– biodiversity /ˌbaɪəʊdaɪˈvɜːsəti/ (n): biodiversity
Eg: The mining project threatens one of the world’s rich areas of biodiversity.
– habitat /ˈhæbɪtæt/ (n): habitat (of plants and animals)
Eg: The panda’s natural habitat is the bamboo forest.
– conservation /ˌkɒnsəˈveɪʃn/ (n): conservation
Eg: Road development in the area has been severely affected by the conservation programs of the council.
=> Answer B (Biodiversity is the existence of a large number of different plant and animal species that create a balanced environment.)