Which of the following is included in edaphic factors?

"Flow of energy is unidirectional." Name the first two components of the environment involved in this flow of energy from the sun.

Why are crop fields known as artificial ecosystems?

Larger animals kill smaller animals in the forest,eat whatever they can,and leave the rest in the forest,but the forest is never found full of dead animals. What happens to the bodies of these dead animals?

Select the mismatched pair in the following and correct it.
$(a)$ Biomagnification — Accumulation of chemicals at the successive trophic levels of a food chain
$(b)$ Ecosystem — Biotic components of environment
$(c)$ Aquarium — $A$ man-made ecosystem
$(d)$ Parasites — Organisms which obtain food from other living organisms

Which organisms obtain nutrition from the dead bodies of plants and animals?