'Ecosystem is called an interactive system'.Name a functional aspect of the ecosystem which justifies the above statement.

1

(a)

Energy exchange and flow of nutrient cycling (anyone).

'Stability of ecosystem debens on complexity of food web. 'Justify the statement. 

1

(a)

Diversity of food chain, more than one option in their food habit

'GPP-R=NPP'what do you understand by the given equation?

1

(a)

Gross primary productivity , Respiration , Net primary productivity.

What are eco system service? Why Robert Constanza Put a price tags on nature's life- support services?

1

(a)

Product of ecosystem and it's usefulness.

Differentiate between – (a) Primary and Secondary succession
(b) Pyramid of energy and Pyramid of biomass.

1

(a)

(a) Slower and Faster
(b) Upright and Inverted