animal and plant structure

Respiratory System in Human Beings The respiratory system starts with the nose that encloses the nasal cavity. The nasal cavity opens to the outside through the openings called the nostrils. The nasal cavity is divided into two portions by a cartilagenous septum and is lined by fine hairs that..

Metals and Non-metals..

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..

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 sap ..

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..

Nutrition in Plants - All organisms require energy in order to stay alive. Energy is utilised to do the various bodily functions such as breathing, ingesting and digesting food, excreting, reproducing, locomotion, etc. Energy is obtained from food. Thus the process of intake of food is vi..

Angiosperm Morphology..