A food chain shows the transfer of energy from one organism to another
A food web is a diagram that shows the many interactions among different food chains and are more complex.
Plants are called autotroph because they produce their own food through photosynthesis.
On the other hand, humans must eat food in order to get energy.
decomposers get energy by breaking down the remains of other organisms and recycle nutrients back into the soil.
light, radiation, temperature, water, chemicals, gases, wind and soil. can impact ecosytem