Food and energy relationships among living components of ecosystem is generally referred as
Biocoenosis
Microcosm
Bioenergetic approach
None of the above
Frog, that feeds on insects, is a
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
Which of the following food chain shows spindle shaped pyramid of number?
Which of the following has the greatest amount of energy