Basic unit of life is cell
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Basic unit of Life

 1. Basic unit of life -->The cell in all living organisms. 2. Unicellular organisms are capable of  o (i) independent existence and o (ii) performing the essential functions of life.…
Excretion
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Excretion

Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin.  1. Ammonia, Urea and…
Digestion and absorption
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 DIGESTION & ABSORPTION

 DIGESTION & ABSORPTION 1. Food --> Carbohydrates, Proteins and Fats. (Have Calorific value) • Vitamins and Minerals (Non calorific value but important) • Food is source of energy -->for growth…
EVOLUTION
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EVOLUTION

EVOLUTION 1.EVOLUTIONARY BIOLOGY is the study of history of life forms on earth. 2.The universe is almost 20 billion years old. 3.The BIG BANG THEORY attempts to explain to us the origin of…
Microbes in human welfare
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MICROBES IN HUMAN WELFARE

 MICROBES IN HUMAN WELFARE •Microbes have great diversity      o protozoa,      o bacteria,      o fungi and      o microscopic plant      o viruses…
Chemical coordination and integration
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CHEMICAL COORDINATION AND INTEGRATION IN LIVING ORGANISMS

 CHEMICAL COORDINATION AND INTEGRATION https://www.facebook.com/sciencegajab/ visit for fb page  CHEMICAL COORDINATION AND INTEGRATION IN LIVING ORGANISMS ARE PRIMARILY DONE BY ENDOCRINE GLANDS HORMONES ARE  • Non-nutrients  chemicals • Intercellular  messengers •…
Neural control and coordination notes
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NEURAL CONTROL AND COORDINATION

 NEURAL CONTROL AND COORDINATION 1. The neural system Function --> coordinates and integrates @ To maintain Homoeostasis therefore it is called neural control and coordination. 2. The neural system and…