Briefly explain the 10% law of energy transfer in an ecosystem.

Energy flow in an ecosystem is:

Briefly explain theory of Biogenesis.

Briefly explain the adrenal glands.

Pyramid of energy in aquatic ecosystem is

Why is pond regarded as the good example of ecosystem? Explain the path of energy flow in the pond ecosystem

Briefly explain oxygen cycle.

Pyramid of energy in a river ecosystem is:

Briefly explain human skeleton.