Question

How many animal and plant species have been extinct since year 1600 ?

Answer 1

Answer...

Since the year 1600, more than 500species of wild animals and plants have disappeared from the North American continent alone. At least 1,000 more are in trouble. Worldwide, scientists estimate that 20,000species of plants are in danger ofextinction, that is, dying out completely.

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Answer 2

Since 1600, of an approximate 4500 identified mammal species, 83 have become extinct, while 113 of approximately 9000 known birdspecies have disappeared.