ARTICLES

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LICHENS, VIRUS, VIRIODS

Viruses are non cellular organisms and act as a connecting link between plants and animals. Lichens are symbiotic association between algae and fungi. Viroids are infectious agents that are smaller than virus. Read More >>>

MONERA, PROTISTA, FUNGI, PLANTAE, ANIMALIA

Five kingdom classification was given by R.H. Whittaker. He placed monera, protista, fungi,plantae and fungi in separate groups. Monera includes bacteria, protista includes eukaryotic organisms, fungi includes eukaryotic and heterotrophic organisms, plantae includes eukaryotic and multicellular organisms, animalia includes multicellular eukaryotic heterotrophic organisms. Read More >>>

ANGIOSPERM

Angiosperms are the largest group of plant on this earth. They grow as trees, shrubs , bushes, herbs and small flower plants. Angiosperms are classified in two classes; Monocot and Dicot. Read More >>>

GYMNOSPERM

Gymnosperms are small group of plants which act as connecting link between pteridophytes and angiosperm. Gymnosperms are classified into four classes;Cycadophyta, ginkophyta, gnetophyta, coniferophyta. Read More >>>

ALGAE

Algae are eukaryotic organisms which are not differentiated into roots, stem and leaves. Algae are thalloid organism which are included in kingdom Plantae. Algae are classified into six classes. Read More >>>

ECOLOGICAL SUCCESSION

Ecological succession is gradual and predictable change in species composition of given area.Succession in plants are of two types: xerarch and hydrarch succession. Read More >>>

NUTRIENT CYCLING

Nutrient cycling means movement of nutrients through various component of ecosystem. This includes sedimentary and gaseous cycle where phosphorous is an element which is found on earth it flows in cyclic manner while carbon is found in gaseous state it cycles and return back to atmosphere. Read More >>>

STRUCTURE AND FUNCTION OF ECOSYSTEM

Ecosystem is the interaction of living organisms with their environment. Biotic and abiotic components constitute the physical structure of ecosystem. Productivity and decomposition are another components of ecosystem. Read More >>>

CHORDATA

Chordates are the most developed organism on this earth. Chordates includes vertebrata which further subdivided into five classes which starts from less developed aquatic pisces and ends in most developed terrestrial mammals Read More >>>

ENZYMES

Enzymes are biological catalysts which increase the rate of reaction without even participated in the reaction. Enzymes are classified into six classes. Read More >>>

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