DAV CLASS 7 SCIENCE CHAPTER 2 NUTRITION IN LIVING ORGANISMS ANIMALS AND MAN SOLUTIONS PDF DOWNLOAD

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DAV CLASS 7 SCIENCE NUTRITION IN LIVING ORGANISMS -ANIMALS AND MAN

In This Post You can Download Notes of DAV BOARD CLASS 7 Science of Chapter 2 Nutrition in Living Organisms Animals and Man.

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Content Of Chapter -2 Nutrition in LIVING ORGANISMS ANIMALS AND MAN

  • Three main Steps in Animal Nutrition
    1. MODE Of Intake Of Food
    2. FOOD REQUIREMENT
    3. UTILISATION IN BODY

FOOD HABITS OF ANIMALS

  • Animals like Cow and Deer eat only Plant Materials are known as Herbivores.
  • Animals like lion and Tiger eat only other Animals are known as Carnivores
  • Omnivores : Animals like Bear and Human beings eat both Animals and Plant Materials are known as Omnivores.

MODES OF NUTRITION

  • SAPROTROPHIC NUTRITION : Mode in which an Organism Obtain their Nutrients From Dead , Decaying plants and Animals .for example: Most fungus and Bacteria.
  • Parasitic Nutrition : In This Mode Organisms obtain their food from other living Organisms and also harm them. For example : ROUNDWORMS, Head louse, Tape worm
  • Holozoic Nutrition :

PDF OF CHAPTER -2

NUTRITIONS IN HUMANS

Sequence of Steps for this Process:

  • INGESTION
  • DIGESTION
  • ABSORPTION
  • ASSIMILATION
  • EGESTION
NUTRITION IN LIVING ORGANISMS ANIMALS AND MAN -PDF DOWNLOAD
Teeth : Human have Four different types of teeth that perform different functions
  • Incisors
  • Canines
  • Premolars
  • Molars

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