Ecosystem -Structure and Function

Choose the incorrect option with respect to components of a small pond ecosystem:

Biotic community is

Find the incorrect statement.

DFC (Detritus Food Chain) begins with

The functional aspect of ecosystem can be explained in terms of

Pond is a

Which of the following occupy the top vertical strata of the forest ecosystem?

Find out the incorrect statement.

Which of the following type of ecosystem is expected in an area where evaporation exceeds precipitation and the mean annual rainfall is below $100 \mathrm{~mm}$

All of the following are representing an ecosystem except one:

The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:

All species of vultures in India are threatened with extinction. What is the most likely outcome if all vultures in India go extinct?

Assertion : Chaparral is also called "shrub forest".
Reason : Trees are totally absent in chaparral.

A lake ecosystem is

Ecosystem creates

Which of the following is most important abiotic factor in pond ecosystem

During summer the density of the surface of the water decreases due to increase in its temperature. The upper most warm layer of a lake is called

Tilman's experiments with outdoor plots revealed:

Choose the correct statements:
A) Submerged macrophytes release oxygen and enrich dissolved oxygen in water.
B) A single mature tree can absorb 68 lbs CO₂ per year.
C) Production of fuel plants is an example of provision services.
D) The aesthetic value of a place is considered as regulatory service.