Tag: assimilation
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NUTRITION IN ANIMALS – Class 7
Animals are the living organisms which do not have plastids in their cell, thus are unable to perform photosynthesis ad moreover they do not have cell wall, thus they are grouped into another kingdom i.e. Animalia. Animals thus do not posses cell wall nor plastid. Lack of plastid results in a different mode of nutrition…
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Productivity, Energy Flow & Efficiency – Ecosystem
(Productivity = rate of production) There are two types of productivity: Commonly used productivity unit: Primary Productivity: Producer organisms, including both photosynthetic & chemosynthetic, convert radiant energy to organic substances and the rate at which they convert is termed primary productivity i.e. Rate of conversion of radiant energy to organic substances by producers is termed…