Question

Keystone species deserve protection because these :

• A. are capable of surviving in harsh environmental condition
• B. indicate presence of certain minerals in the soil
• C. have become rare due to over exploitation
• D. play in important role in supporting other species

Answer 1

Answer: (D)

Keystone species deserve protection because these have a significant and disproportionately large on the other species living in community. The number of key stone species often low as compared to other species but they limit the population of other species removal or decreases in number of these species in a community causes serious disruption in structure and function of that community.