Our Environment...

Which of these animals can occupy more than one trophic levels in the same ecosystem at the same time?

Which of the following chemicals is/are depleting ozone layer?

The two forms of oxygen found in the atmosphere are:

Which of the following is correct about a food chain and a food web?

Which of the following limits the number of trophic levels in an ecosystem?

Non-biodegradable wastes are 

In a food chain, the lion eats the wild beast and the wild beast eats plants. Which of the following statement suits the given condition?
(i)   The lion is the prey and the wild beast is the predator.
(ii)  The lion is the predator and the wild beast is the prey.
(iii) The lion is the primary consumer and the wild beast is the secondary consumer.
(iv) The lion is the secondary consumer and the wild beast is the primary consumer.

Pesticides sprayed in the environment can threaten predators in the area, this can cause

The food web above illustrates the flow of energy through an ecosystem.

Which statement is a correct interpretation of the food web?

Match the columns and find out the correct combination.