level of organization in plant and animal

Fluids Pressure Upthrust and Flotation..

Excretion in Plants - 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 chloro..

(sugarcane) 80 9. Ophioglossum (Adder’s tongue fern) 1262 In some cases, males have one chromosome less than females. In the round worm Coenorhabditis males and females have 11 and 12 chromosomes respectively. In the cockroach Blatta orientalis males and females have 23 and 24 chromosomes res..

Need for Preservation - 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 pl..

Right from the early days of human civilization man has been breeding selected species that are useful to him. This has produced different varieties of plants and animals. The Result of Selective Breed..

Tissues in Plants and Animals..

Tissues in Plants and Animals..

Angiosperm Morphology..

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

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