Environmental Science - Study Mode

[#246] In pond ecosystem, the pyramid of biomass is
Correct Answer

(B) inverted

Explanation

Solution: The pyramid of biomass may be "inverted". For example, in a pond ecosystem, the standing crop of phytoplankton, the major producers, at any given point will be lower than the mass of the heterotrophs, such as fish and insects.

[#247] In grassland ecosystem, the pyramid of biomass is
Correct Answer

(A) upright

Explanation

Solution: In grassland ecosystem, the shape of pyramid of biomass is upright. In grassland ecosystem, the biomass at the base is maximum followed by that in primary consumers (herbivores), followed by that in secondary consumers (carnivores). The base of the pyramid of biomass represents the producers in a pond ecosystem.

[#248] If the air temperature increased, with no addition or removal of water vapour, the actual vapour pressure would:
Correct Answer

(C) Stay the same

Explanation

Solution: If the air temperature increased, with no addition or removal of water vapour, the actual vapour pressure would stay the same.

[#249] Fog that forms off the coast of Newfoundland is mainly a form of:
Correct Answer

(A) Advection fog

Explanation

Solution: Fog that forms off the coast of Newfoundland is mainly a form of advection fog.

[#250] Water vapour contains a huge amount of stored energy known as
Correct Answer

(A) Latent heat

Explanation

Solution: Globally, water vapour contains a huge amount of stored energy, known as latent heat.