level of organization in plant and animal

Many diseases and pests of plants / animals follow a particular rhythm because of specific response of causal organism to a set of environmental conditions. Hence, disease / pest is more likely to attack a plant/animal if the environmental situations are fav..

In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretio..

In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretion. Green plants in darkness or plants that do not contain chlorophyll produce carbon dioxide an..

Plants and animals occupy diverse habitats. It becomes practically impossible for a biologist to study each and every plant or animal species in its natural habitat. Hence, over the years attempts have been made to preserve the plant species o..

Summary - Plants and animals occupy diverse habitats. It may not be possible to study most of them in their natural habitat. Attempts have been made to preserve the plants and animals in a form suitable for scientific studies. Such attempts have resulted in t..

Cellulose cell wall surrounds the cell membrane.Cell wall is absent in animal cell..

Tissues in Plants and Animals..

Diversity in the Living World..

Nuclear Fission and Fusion..

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