what is gross 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 is caused due to the carelessness of the person taking measuremen..

The Gross Domestic Product(GDP) in 1993 was $6500 billion and in 1998, it was 50% more than the GDP in 1993. Estimate the GDP in 1998. => $9750 or $9870 or $9850 or None of the above..

Primary phloem is the phloem that is formed during normal growth in the plant body. It is a derivative of primary meristem. It is found in both monocots and dicots. The primary phloem is further composed of protophloem and metaphloem. The sieve tubes and the companion..

Secondary Pollutants SO 2 SO 3 Sulphur dioxide in atmosphere Sulphur trioxide H 2 S SO 2 + H 2 O Hydrogen sulphide in atmosphere NO 2..

A primary prefix is used to distinguish alicyclic (aliphatic cyclic compounds) from acylic compounds. A prefix cyclo is used before the word root if the compound is an alicyclic compound. For example, Cyclopentane:..

A primary suffix is added to the word root (i.e., at the end of the word root) to indicate whether the parent chain is a saturated or unsaturated. Some primary suffixes are given below. Saturated - ane Unsaturated with: one double bond - ene two double bonds - diene thr..

Here the carbon atom bearing the hydroxyl group is attached to just one other carbon atom..

In these the redox reactions occur only once and cannot be used again. Example: dry cells, mercury cel..