In tropical rain forest most of the energy in ecosystem flows through
Grazing food chain
Detritus food chain
Parasitic food chain
Both $(a)$ and $(c)$
Assertion : Biotic community has higher position than population in ecological hierarchy.
Reason : Population of similar individuals remains isolated in the community.
Which group of living organisms given below is a link in food chain between green plants and hawk
Which of the following are the essential sources for releasing in the atmosphere?
$I.$ Burning of wood
$II.$ Volcanic activity
$III.$ Combustion of organic matter
$IV.$ Fossil fuels
Choose the correct option
Herbivores are called
Which of the following groups is absolutely essential functional component of the ecosystem?