Plants growing on sandstone are
Psammophytes
Oxylophytes
Lithophytes
Phanerophytes
Which of the following communities is more vulnerable to invasion by outsides animals and plants
About $70\%$ of total global carbon is found in
In a food chain, the total amount of living material is depicted by
One of them is a submerged hydrophyte
In lake ecosystem the population rise or its explosion is termed