Question

Among producers, decomposers ,primary consumers and secondary consumers; without which two an ecosystem would not be able to sustain itself ? A] Producers b] Decomposers C] Primary consumers d] Secondary consumers

Answer 1

Producer and decomposer are the two without which our ecosystem would not be able to sustain.

• " Ecosystem is functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment."
• Green plants are major producer in terrestrial ecosystem whereas phytoplankton, algae and higher plants. They are primary producers on which nearly all other organisms depends for food.
• Those who are responsible for the breakdown of detritus are known as decomposers. Detritus mainly comprises dead remains of animals or fallen leaves or flower or bark of tree.