Question

Which one of the following is the correct food chain---

1)Grass- Chameleon- Insect-Bird.
2)Grass- Fox- Rabbit-Bird.
3)Phytoplankton-Zooplankton-Fish.
4)Fallen leaves- Bacteria- Insect larvae.

Answer 1

Answer:

4 ) Fallen leaves - Bacteria - Insect larvae.

Explanation:

It's because the leaves which fall from trees start dyeing so the bacteria starts growing in it and when the insect larvae eats the leaves up it also eats the bacterias...

Answer 2

The exact ecosystem among the following is Phytoplankton-zooplankton-fish.

Explanation:

In the following the plankton is the producer, the ‘zooplankton’ is a primary consumer and the fish is the secondary consumer. A community of living organisms that exists depending upon each other and also on the abiotic components of a particular place is called as an ecosystem.

In an ecosystem, the producers are mostly plants and the animals who feed on them are regarded as primary consumers (herbivores) and those who depend on the primary consumers are called ‘secondary consumers’ (carnivores).