level of organization in plant and animal

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Nuclear Fission and Fusion..

Carbon compounds are of two types: inorganic and organic. The compounds that have a mineral origin fall under the category of inorganic compounds. The compounds having plant or animal origin are classified as organic compounds. Lavoisier showed that nearly a..

Summary - Biologists estimate that there are about 30 million species of living organisms inhabiting this biosphere and only a million and half of it have been discovered and described so far. The species of plants and animals identified so far exhibit a great deal of ..

1) They enrich the soil with their excreta 2) Insects help in pollination and some birds and animals help in dispersal of fruits and seeds. 3) Burrowing animals like earthworm make soil porous to facilitate plant growth. 4) They provide food (meat, eggs, oil) fur, woo..

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-living things. Gro..

Introduction - The animal kingdom includes eukaryotic multicellular organisms which exhibit heterotrophic nutrition. They are commonly known as animals and differ characteristically from the other major groups of plants, in their capacity to be able to mov..

In order to survive, all living organisms require food. Animals cannot synthesize their own food. They have to depend on ready made food. They obtain food either directly from plants (by eating them) or indirectly (by eating other herbivores). The nutrition can be def..

Organism and Its Characteristics - An organism is a distinct unit of life in nature. It is said to be the smallest level and basic unit of ecological hierarc..