Food Chain and Food Web

Food Chain The transfer of food energy from the producers, through a series of organisms (herbivores to carnivores to decomposers) with repeated eating and being eaten is termed as …

Ecosystem

Ecosystem The ecosystem comprises the biotic community and the non-living environment.  It is the basic functional unit as it includes both the organism and its environment, each influencing the …

Halophytes

Halophytes Halophytes are special types of xerophytes which grow in saline soils.  These soils are called physiologically dry because of high salt concentration.  Halophytes are plants of saline habitats …

Oxidative phosphorylation

Oxidative phosphorylation Oxidative phosphorylation is the synthesis of energy-rich ATP molecules with the help of energy liberated during oxidation of reduced coenzymes ( i.e.,NADH2 and FADH2), produced in respiration.  …

Anaerobic Respiration

Anaerobic respiration: Anaerobic respiration is a process of release of energy in enzymatically controlled incomplete degradation of organic food without oxygen being used as oxidant.  It is an exclusive …

Ecological Factors

Ecological Factors Environment is a complex of large number of living (biotic components) and nonliving (abiotic components).  Each part, substance or stage of environment is known as environmental factor …

Ecology

Ecology Ecology is the study of living organisms with respect to their relation with environment.  The word “ecology” comes from two Greek words, oikos (house or dwelling place) and …

Edaphic factors

Edaphic factors The factors which relate to structure and composition of soil is termed as edaphic factors.  Soil is a major ecological factor.  It is the surface layer of …