characteristic of living things development

Reproduction and Development..

Reproduction and Development..

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i) It is a highly organised, integrated and complex society, which involves the division of labour at the individual level. This high level degree of division of labour is due to well-developed instinctive behaviour. ii) All the members of the society are produced by same parents and the ..

Introduction - The term growth is applied to several things and situations. It is quite common to hear people referring to growth of cities, the weeds, of tradition or even of indiscipline. You would have observed the growth of crystals or salt in the laboratory, but it is of non-liv..

Introduction - The term 'natural resources' refers to all the natural things on our earth. It includes everything, that is naturally available and that is not creatable by any human activity. It specifically excludes the materials created by man. Human being and his anthropological histor..

Interrelationship of Population, Environment and Development - As mentioned earlier man's intervention is causing drastic changes in the environmental systems of earth and disturbing its ecological balance. This disturbance gets compounded with the problem of population explosion in the w..

Pistil is the female reproductive unit, and is made up of a basal swollen part called the ovary, astalk called the style and a terminal receptive disc called the stigma. The ovule begins its development as a minute protuberance on the placenta and forms a thick mass of cells termed as the..