level of organisation in plant and animal

Tissues in Plants and Animals..

Diversity in the Living World..

Nuclear Fission and Fusion..

cellulose cell wall surrounds the cell membrane. Keep growing through out their life and are localised in the apical meriste..

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Introduction - Every organism, whether its body is unicellular or multicellular, is capable of performing all vital functions such as respiration, ingestion, excretion and reproduction. In multicellular organisms, because of the increase in body size, it is difficult for each cell to efficiently co..

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..

Of all the living organisms, only plants are autotrophs i.e., they are capable of synthesizing their own food. Animals are heterotrophs i.e. they are incapable of synthesizing their own food. They depend on plants and other animals for food. Man also being a ..

Of all the living organisms, only plants are autotrophs i.e., they are capable of synthesizing their own food. Animals are heterotrophs i.e. they are incapable of synthesizing their own food. They depend on plants and other animals for food. Man also be..