Question

All the following are correct statement about a small pond ecosystem, except:

• A. This is fairly a self-sustainable unit.
• B. All the four basic components of an ecosystem are well exhibited.
• C. The abiotic component is the water with all the dissolved organic and inorganic substances and the rich soil deposit at the bottom of the pond.
• D. This ecosystem performs all the functions of any ecosystem except the unidirectional flow of energy.

Answer 1

Answer: (D)

An ecosystem can be of several types like terrestrial or aquatic, larger or smaller etc. In small pond also an ecosystem can be maintained. Like other ecosystems, this small pond ecosystem is also self-sustainable unit, it carries all four basic components of an ecosystem are well exhibited, It also performs all the functions of any ecosystem and even unidirectional flow of energy.