Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as

Write any two consequences if decomposers are removed from the ecosystem.

Omnivores consume $.....$

What will be the amount of energy available to the organisms of the $2^{\text{nd}}$ trophic level of a food chain,if the energy available at the first trophic level is $10,000 \, J$?

Differentiate between autotrophs,heterotrophs,and decomposers and give one example of each.

Choose one consumer each that belongs to the second and third trophic levels from the organisms given below:
Eagle,frog,tiger,rabbit,fox