Which of the following food chain shows spindle shaped pyramid of number?
Grass $\rightarrow$ Insects $\rightarrow$ Frog
Phytoplankton $\rightarrow$ Zooplankton $\rightarrow$ Small fish
Tree $\rightarrow$ Birds $\rightarrow$ Hawks
Tree $\rightarrow$ Birds $\rightarrow$ Insects $\rightarrow$ Bacteria
How much percentage of absorbed water is used in photosynthesis
Mark the correct match
Energy enters into the ecosystem through
The lentic ecosystem includes which of following water
Which of the following is false?