Which is the correct sequence in the food chain in a grassland
Grass $→$ wolf $→$ deer $→$ buffalo
Bacteria $→$ grass $→$ rabbit $→$ wolf
Grass $→$ insect $→$ birds $→$ snakes
Grass $→$ snake $ →$ insect $→$ deer
Which of the following ecosystems has highest productivity?
What do ecologists call the transfer of energy that begins with the sun and passes from one organism to the next in a food chain?
Driving force of an ecosystem is
Nepenthes is a
The amount of living matter present in an ecosystem at a given time is called