The crucial species that determine the ability of large number of other species is termed as _________ species.
A. Important
B. Crucial
C. Significant
D. Keystone
Answer: Option D
Solution(By Examveda Team)
Within biological communities, some species may be important in determining the ability of large number of other species to persist in the community. It has a disproportionately large effect on its environment relative to its abundance. These crucial species are known as key stone species.This Question Belongs to General Knowledge >> Environmental Science
What is the cause of the Exxon Valdez?
A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.
A. A much higher temperature than -10o C
B. A much lower temperature than -10o C
C. A temperature of -10o C
D. A temperature of -30o C
Infrared and visible satellite images might provide:
A. A way of determining cloud thickness and altitude.
B. A way of distinguishing between wet and dry clouds.
C. A way of identifying clouds suitable for cloud seeding.
D. A way of distinguishing between "new" and "old" clouds.
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