$A$- Grasshopper is included in primary consumer.
$R$- Fishes and birds are included in top carnivore.
$A$ and $R$ both are correct.
$A$ and $R$ both are incorrect.
$A$ is correct, $R$ is incorrect.
$A$ is incorrect, $R$ is correct.
Source of energy in an ecosystem is
Food chain consists of
If phytoplankton are destroyed in the sea, then
In an ecosystem, the largest population is of
During food chain the maximum energy is stored in