difference between gross primary productivity and net primary productivity

Primary and Secondary Productivity - 'The amount of organic matter or biomass produced by an individual organism, population, community or ecosystem during a given period of time is called productivity'. Primary production refers to all or any part ..

'The amount of organic matter or biomass produced by an individual organism, population, community or ecosystem during a given period of time is called productivity..

This structure is responsible for the function of a protein. This structure is composed of various amino acids held together by peptide bonds. Proteins may have 1 or more polypeptide chains. Each polypeptide in a protein has amino acids linked with each other in a specific sequence and it is this ..

One of the primary objectives of agriculture is to produce food. In the entire history of agriculture, food production has remained a prime objectiv..

Introduction - One of the primary objectives of agriculture is to produce food. In the entire history of agriculture, food production has remained a prime objective. Human food needs have undergone many qualitative and quantitative modifications in the last 50 - 100 years. Mainl..

Find two numbers whose difference is 12 and their product is minimum. => 4, - 8 or 6, - 6 or - 9, 3 or 7, - 5..

Sulphur is the second member of the oxygen family, yet it differs from oxygen in many respects. For e.g., O 2 exists as molecule while S 2 molecule does no..

Sulphur is the second member of the oxygen family, yet it differs from oxygen in many respects. For e.g., O 2 exists as molecule while S 2 molecule does not. The difference in the chemical behavior of S and O arises due to following reasons. (i) Oxygen has a small size (73 pm) a..

Ordered Pairs and Cartesian Product - In a Rectangular Cartesian System of coordinates the position of a point in a plane is determined by an ordered pair whose elements give the distances from the intersecting straight lines at right angles to each other. These lines are called the axes...