What Is Pyramid of Number

Q. Pyramid of numbers in grassland ecosystem is

1. Linear
2. Upright
3. Inverted
4. Spindle-shaped

Q. The pyramid of numbers for a terrestrial ecosystem is upright because the energy for supporting the organisms

1. remains same.
2. increases.
3. decreases.
4. decreases and then increases.

Q. Which of the following does the pyramid of numbers indicate?

1. Number of individuals at every trophic level
2. Species belonging to a particular region
3. Number of animals in a biotic community
4. None of the above

Q.

A graphic representation of number of individuals of different species belonging to a particular trophic level in an ecosystem is known as

1. Ecological pyramid

2. Pyramid of biomass

3. Pyramid of number

4. Pyramid of energy

Q.

A graphic representation of number of individuals of different species belonging to a particular trophic level in an ecosystem is known as

1. Ecological pyramid

2. Pyramid of biomass

3. Pyramid of number

4. Pyramid of energy

Q. The upright pyramid of number is absent in

1. Lake
2. Grassland
3. Pond
4. Forest