The second order consumer in a food chain is
Cattle
Deer
Tiger
Goat
Trees $\rightarrow$ Birds $\rightarrow$ Lice $\rightarrow$ Bacteria. Thus food chain is
Which of the following is a primary consumerin maize field ecosystem ?
The number of individuals of a species in a particular ecosystem at a given time remains constant due to
In an ecosystem, the population of
The phytoplankton in the ponds act as