Our Environment

Environment is the sum of physical

Environment is the sum of physical and biological factors along with their chemical interactions that affect an organism. It includes abiotic factors

Habitat is the place where

Habitat is the place where an organism lives. Niche is the organism’s role in the ecosystem, including its position in the food web, what it eats, and

A food chain is a stepwise

A food chain is a stepwise transfer of energy from producers to consumers. The arrows between two organisms always point from the food to the feeder.

A food web is a network

A food web is a network of interconnected food chains. It forms when organisms have more than one feeding relationship.

At each transfer in a food

At each transfer in a food chain, 80 to 90 percent of energy is dissipated as heat during respiration and other reactions. After three steps, very lit