Botany - Biodiversity and its Conservation Question with Solution | TestHub
Which among the following statement/s is/are INCORRECT?
I. Since the origin and from diversification of earth there were four episodes of extinction.
II. The current rate of extinction is 100 to 1000 times faster than in the pre-human times.
III Ecologists warn that if the present trend continues, nearly one-fourth of all the species on earth might be wiped out within the next 100 years.
Options:
Answer:
Solution:
Biodiversity includes all the flora and fauna on Earth. All the varieties of organisms come under biodiversity. Ecologist say that without any doubt there is decline in the biological wealth which is more rapid due to the activities of us humans. Study has shown that since the origin and diversification, Earth has faced 5 massive extinctions and we are heading towards the sixth one. And if we continue the current trend of human activities, half of all species will be lost in next 100 years. It is suggested that the current rate of extinction is 100 to 1000 times faster then previous periods before humans.
