GEN BIO 2_WEEK2_Q4

• Nutrition


  Nutrients help living organisms develop their bodies, grow, heal damaged body parts, and give energy for life and activity
• Autotrophic Nutrition


  Can produce their own food
• Heterotrophic Nutrition


  Cannot produce their own food
• Digestion


  Mechanical and chemical process by which complex food substances are broken down into simpler substances
• Parts of the Digestive System

  • Mouth
  • Esophagus
  • Stomach
  • Liver
  • Gall Bladder
  • Pancreas
  • Small Intestine
  • Large Intestine
  • Anus
• Ingestion


  Taking in of food materials
• Digestion


  Breaking down of food into smaller pieces
• Absorption


  Movement of nutrients, water and electrolytes from the small intestine into the cell, then into the blood
• Elimination


  Undigested material passes out of the system
• Feeding Mechanism of Animals


  • Substrate-feeders
  • Filter-feeders
  • Fluid-feeders
  • Bulk-feeders
• Required Nutrients


  • Carbohydrates
  • Fats
  • Proteins
  • Amino Acids
  • Fatty Acids
  • Vitamins
  • Minerals
• Photosynthesis


  The process by which light energy is converted to chemical energy in order for the plant to make their own food
• Plant Parts Involved in Photosynthesis

  • Roots
  • Leaves
  • Chloroplasts
• Feeding Mechanism of Carnivorous Plants


  • Trapping Mechanism
  • Insect-eating plants capture and digest their preys through pitfalls and traps
• Macronutrients


  • Nitrogen
  • Phosphorus
  • Potassium
  • Sulfur
  • Calcium
• Micronutrients


  • Iron
  • Boron
  • Zinc
  • Manganese
  • Chlorine
  • Magnesium
  • Molybdenum
  • Copper