Answer:
(A) greater than standing crop of fish
Explanation:
Biomass -
It is the mass of the living organisms in a particular area of the ecosystem at a particular time . It even includes the animals , plants and microorganisms .
It is the total mass of the community or the average mass per unit area .
The biomass of the phytoplankton are always more than the biomass of the fish .
Hence the correct statement would be (A) greater than standing crop of fish .
Answer:
Plowing, crop rotation, removal of infected plant material, cleaning of greenhouse and tillage equipment, and effective manure management are all cultural practices that are employed to deprive pests of a comfortable habitat or prevent their spread. Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.
Hope this answers your question.
Explanation:
The term would be fracture.
These layers are the troposphere, stratosphere, mesosphere and thermosphere.
Ground water sapping and valley formation on mars