Exotic species Eichhornia crassipes
Was introduced by Europeans in India
Was introduced in India accidentally
Was introduced in Lake Victoria of South Africa
Is a straggling shrub of tropical America
$Log S = log C+ Z log A\ Z$ represents.
Spot out the zone of our country considered as the hot spot of biodiversity and regarded as the "Cradle of Speciation'.
Assertion : Tropical rain forests are disappearing fast from developing countries such as India.
Reason : No value is attached to these forests because these are poor in biodiversity
Number of wild life is continuously decreasing. What is the main reason of this?
A population characteristic of a species susceptible to extinction is