The organisms dwelling at the bottom of a lake are called
Phytoplanktons
Zooplanktons
Nektons
Benthos
Complete the following model of carbon cycle filling $A, B, C, D, E$ and $F$
One way cycle is
A bear that eats a fish that further ate bugs that ate algae is a
Of more immediate concern regarding carbon cycle is
The flow of energy is ......... ....from the sun to producers and then to consumers.