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

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

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

Which gas is not responsible for global warming?

Among the following which is a biodegradable waste only ??

What percentage of sunlight is absorbed by green plants during photosynthesis

How much amount of energy will not be transferred to a herbivore if the amount of energy of producer is x units :

Which substance is responsible for the depletion of the ozone layer:

The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as:

Chemical formula of ozone