Answer: The given statement is True.
Food chain can be described as the sequence of transfer of energy and matter among different organisms present within an ecosystem.
It starts with producers ( occupying the first trophic level), which are consumed by consumers in a successive manner ( primary consumer→ secondary consumers→ tertiary consumer or decomposers).
Therefore, producers are beginning link in a food chain whereas decomposers occupy the last level in a food chain.
It's a pyramid of numbers, I believe.
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
Both fight over infection and work on the rebuild of body tissue
