life processes nutrition in animals and plants biology question

Summary - Reproduction occurs by vegetative propagation, asexual and sexual reproduction. Vegetative propagation through artificial method can be done by cuttings, layering and grafting. Pollination refers to the transference of pollen grains from the anther of a flower to the stigma of the flower...

What is the need for studying Biology? The study of Biology becomes important for the following reasons: It brings about an awareness of the rich diversity of life forms that inhabit the Planet Earth It helps us to know and appreciate the precision and complexity..

'Photo' refers to light and 'synthesis' means preparation. Thus, photosynthesis is the process by which the green plants use light energy of the sun to synthesize carbohydrates. Carbohydrates like the simple sugars (glucose) can be stored as starch. The green plants ar..

In the modern system of classification, living organisms are grouped under five kingdoms, as proposed by Whittaker (1966). The Kingdom Monera includes bacteria and blue green algae, both of which possess prokaryotic cells. Bacteria are unicellular prokaryotes that have a wide distribution, ..

Nutrition can be defined as the process by which an organism obtains food which is used to provide energy and materials for its life sustaining activitie..

Nutrition can be defined as the process by which an organism obtains food which is used to provide energy and materials for its life sustaining activities. Thus the term nutrition includes the means by which an organism obtains its food and also the proc..

Introduction - Nutrition can be defined as the process by which an organism obtains food which is used to provide energy and materials for its life sustaining activiti..

Saprotrophs are decomposers and liberate energy for their own use by breaking down complex organic matter from the dead bodies of other organisms. At the same time this process releases vital chemical elements into the soil which are absorbed by autotrophs. Thus saprotrophs aid the re..

Nutrition in amoeba is holozoic. Thus, solid food particles are ingested which are then acted upon by enzymes and digested. It is an omnivore, feeding on both plants and animals. Its diet includes bacteria, microscopic plants like the diatoms, minute algae, m..

Cells of onion peelMulticellular lifeform All living organisms, whether plants or animals, are made up of microscopic units called cells. The cell occupies the same central position in biology as the atom in the physical sciences. All living beings, plants an..