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13.Biodiversity and Conservation
normal
Many species like steller's sea cow passenger pigeon have been driven to the brink of extinction. Which of the following describes this situation?
A
Over-exploitation by humans
B
Pollution
C
Habitat loss
D
Competition from introduced species
Solution
Excessive exploitation of a species, whether a plant or animal reduces the size of its population, so that it becomes vulnerable to extinction. Many marine fishes like whales population is declining around the world because of over harvesting. Some commercially important species are likely to become endangered
Standard 12
Biology
