How do the squirrels and rabbits eat the seeds and fruits?

Which of the following form the secondary consumers of the ecosystem?

Which of the following form the primary consumers of the ecosystem?

What do the birds build to live in?

How do the lizards get the insects into their mouth?

What do we call the animals which eat grass or green plants?

How many canine teeth do all the carnivores have in both the  jaws?

What do we call the animals that get food from killing and eating other animals?

Which one of the following is a herbivore?

How do the mosquitoes and leeches take blood from the bodies of other animals?