$A$- 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.
When man eats fish which feeds onzooplanktons which have eaten small plants,the producer in this chain is
Energy enters in ecosystem through
Choose the incorrect sentences from below.
Which of the following trophic levels are occupied by sparrow?