Sexual Reproduction
Sexual Reproduction
When reproduction takes place as a result of the fusion of two gametes, one from each parent, it is called sexual reproduction.
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Asexual Reproduction
Asexual Reproduction
The mode depends on the body design of the organism.
Fission
The parent cell divides/splits into two daughter cell-Binary Fission; splits into many cells-multiple Fission.
The...
Reproduction
HOW DO ORGANISM REPRODUCE
Reproduction is the process by which living organisms produce new individuals similar to themselves. It basically involves...
Hormones
Hormones
Hormones are chemical compounds which help to coordinate growth, development and responses to the environment.
Plant Hormones
Main plant hormones are:
Auxin
Auxin is a plant hormone produced...
Control and Coordination in Animals and Plants
Living organisms respond to various stimuli like heat, light, cold, touch, pressure etc. Example: Withdrawal of hand on touching a hot object.
Control and Coordination...
Life Process: Excretion
Excretion in human beings:
The process of the removal of the harmful metabolic wastes from the body is called excretion. Excretory system of human beings...
Life Process: Transportation
Transportation
Human beings like other multicellular organism need a regular supply of food, oxygen etc., This function is performed by a circulatory system or Transport...
Life Process: Respiration
Respiration
It is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide...
Life Process: Nutrition
Life Processes
All living things perform certain life processes like growth, excretion, respiration, circulation etc.
The basic functions...