Is biome different from ecosystem? Explain

Draw the diagrammatic representation of pyramids of biomass different types of ecosystems.

Explain how translocation chromosomal aberration is different from crossing over?

Name of the food chain which is generally present in all type of ecosystem. Explain and write their significance.

Shape of pyramid in a particular ecosystem is always different in shape. Explain with example.

Explain in what respects lithium is different from other metals of the same group.