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Levels of Biodiversity
It refers to the variation of genes within a species. The genetic diversity enables a population to adapt to its environment and to respond to natural selection. The amount of genetic variation is the basis of speciation. Genetic diversity within a species often ..
Survival of the fittest
Only those organisms, which have favourable variations, are at a specific advantage over others. Such individuals survive the struggle for existence while those, which are less adapted or not adapted, get eliminated. This idea came to be known as 'survival of the fitt..
Aerial Habitat
Some organisms have become secondarily adapted for aerial existence. Organisms that are capable to do their activities in the aerial environment are called as aerial or arboreal organisms. Examples: Insects, bats and bird..
Aerial Habitat
Aerial Habitat - Some organisms have become secondarily adapted for aerial existence. Organisms that are capable to do their activities in the aerial environment are called as aerial or arboreal organisms. Examples: Insects, bats and bird..
Introduction
Every organism whether plant or animal is unique in itself. There is a wide diversity in the flora (plants) and fauna (animals) in the world. The diversity we see today is the result of 3.5 billion years of organic evolution. During the course of this evoluti..
Habitat Alteration and Conservation
The habitat and adaptation have a very strong relationship and a perfect balance must be maintained for the survival of the organism. Due to natural calamities and human activities the habitat often gets altered. These alterations may be permanent or tempora..
Introduction
Every organism whether plant or animal is unique in itself. There is a wide diversity in the flora (plants) and fauna (animals) in the world. The diversity we see today is the result of 3.5 billion years of organic evolutio..
Habitat Alteration and Conservation
Habitat Alteration and Conservation - The habitat and adaptation have a very strong relationship and a perfect balance must be maintained for the survival of the organism. Due to natural calamities and human activities the habitat often gets altered. These alterations may be per..
Heredity ,Evolution Introduction
>Fossils also show evidences of evolutionary relationships. Their study provide knowledge about the extinct forms, and also provide links between two groups of species Organisms have emerged due to evolution by stages and adaptations for new functions. Intermediate stages can be..
diversity and adaptations of organisms
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