Does the number of species in a community really matter to the functioning of the ecosystem ? Explain.

Identify true or false statements. Correct each false statement to make it true. (i) Number of species in a community really matter to the functioning of the ecosystem. (ii) David Tilman proved that decreased diversity contributed to higher productivity. (iii) Rich biodiversity is not essential for ecosystem health but required for survival of human race of earth. (iv) Species which are dangerously harmful beings and their interests can be thought of deliberate extinction.

Structure And Function Of Ecosystem

Niche of a species in an ecosystem refers to its

Which is not a functional unit of an ecosystem ?

Keystone species in an ecosystem are those :

In an ecosystem the function of the producers is to

The animal species controlling the ecosystem functioning is known as:

Assertion: During an ecological succession, the number of species increases, the community biomass increases and the community's ratio of respiration to photosynthesis also increases.

Keystone species in an ecosystem are those: