Which one of the following is a correct food chain
Grasshopper $→$ Grass $→$ Snake $→$ Frog $→$ Eagle
Grass $→$ Grasshopper $→$ Frog $→$ Snake $→$ Eagle
Eagle $→$ Snake $→$ Grasshopper $→$ Grass $→$ Frog
Frog $→$ Snake $→$ Eagle $→$ Grasshopper $→$ Grass
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
One of the following atoms often limit the primary productivity of an ecosystem
Biological equilibrium is an equilibrium among the
$A$- Grasshopper is included in primary consumer.
$R$- Fishes and birds are included in top carnivore.
Which of the following is a primary consumerin maize field ecosystem ?