Ecosystem creates
Food chain
Food web
Both the above
None of the above
The amount of organic matter stored by green plants in a unit time and area is called
Food chain is a series of population, which starts with producers. It is concerning with
In a food chain, which of the following produces in the largest amount
The amount of living matter present in an ecosystem at a given time is called
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