Is it possible that productivity and diversity of a natural community remain constant over a time period of, say one hundred years ?
No, it is not possible that productivity and diversity of natural community remain constant over a certain time period because: $(i)$ The natural habitat is never maintained as such. $(ii)$ Sufficient / abundant resources are never available and there is always shortage of it.
$(iii)$ Environmental conditions for survival and reproduction are continuously changing.
The region of biosphere reserve which is legally protected and where no human activity is allowed is known as
What is common to the species shown in figures $\mathrm{A}$ and $\mathrm{B}$ ?
The impacts of loss of biodiversity may lead to
$I$. lowered resistance to environmental perturbation
$II$. decrease in plant production
$III$, increased variability in ecosystem processes like water use, pest/disease cycle, plants productivity
$IV$. Increase in plant production
Choose the correct option
Government of India has provided the private ownership rights in
Which one of the following is the first national park in India?