hydra: plant or animal

Human Dependence on Plants and Animals for Food - 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 ..

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..

Differences Between Plants and Animals - Plants Animals Cellulose cell wall surrounds the cell membrane Cell wall is absent in animal cells Plastids are present especially a green pigment called chlorophyll Chlorophyll is absent in animal ..

Plants Animals Cellulose cell wall surrounds the cell membrane Cell wall is absent in animal cells Plastids are present especially a green pigment called chlorophyll Chlorophyll is absent in animal cells Large vacuoles containing cell..

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..

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..