Producers in running or Lotic type of ecosystem comprise species of algae, and plants that grow on embankments. Various varieties of molluscs, tadpoles, and insects are primary consumers whereas fish, crabs, and crustaceans are secondary consumers of this ecosystem. Numerous species of bacteria and few species of fungi act as decomposers in this ecosystem.
The unit of biosphere having all the components producers, consumers and decomposers and the abiotic components together with physical factors in dynamic relationships is called as ecosystem.
A habitat is the natural home or environment of an animal, plant, or other organism.
Growth and movements in plants occur due to internal and external factors. Plant hormones are internal factors while light, touch, gravity and other stimuli are external factors that affect plant growth and movements.
The food eaten by any one comprises many different components like – Carbohydrates, Proteins, fats, Minerals, and Vitamins and water. For humans and big animals water too has been accepted as a necessary component of food.
It has become a common thing to take phone in hand always.
Nerium oleander is commonly known as Oleander or Nerium. It is a shrub cultivated in sub-tropical and temperate areas as ornamental or landscaping plant. In India it is currently grown along highways and gardens.
man is causing serious impacts on environment. Concrete jungles do not allow rain water to enter into the gound. As such water table is falling down.
Two organisms- male and female are essential for sexual reproduction. Now let us study some basic methods of reproduction in single organisms.
The flow of nutrients in ecosystem takes place in cyclic pathways through food chains, food webs and bio-geo-chemical cycles. Food…
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
