Which of the following is a primary consumer in a grassland ecosystem?

What percentage of energy is passed on to next tropic level?

What is this called?

Which organism recieves the least amount of energy from the producer?

The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...

Consider the following food chain:

Algae > Mayfly > Minnow > Trout

In a polluted ecosystem, which organism is likely to have the HIGHEST level of toxic chemicals in its body?

What does the Ozone in the atmosphere do?

What damage can UV rays cause?

What is causing damage to the Ozone layer?

Identify the non- biodegradable substance from the following.

An artificial ecosystem is

Each step of a food chain is called as

Which of the following constitute a food chain?

Calculate the amount of energy available to snake in the given food chain if there is 6500 J of energy available to grass hopper.

Grass ----> grass hopper ---> frog -----> snake

Why do we need to manage the garbage we produce

i)To improve the health and quality of life

ii)For preventing environmental pollution

iii) To produce more biodegradable plastics

iv) To reduce the strain on natural resources

Non biodegradable waste materials can be treated by composting technique.

Non biodegradable wastes can be managed by practicing techniques like

___________________ are found as an alternative for plastics which are decomposed by microbial action.