plant and animal nutrition

• make their own energy (food) through photosynthesis

  autotrophs
• eat other organisms to get energy

  heterotrophs
• mechanical and chemical process by which complex food substances are broken down into simpler substances


  digestion
• breaking down of food

  mouth
• connects mouth to stomach

  esophagus
• gastric juice breaks the food chemically

  stomach
• breaks down fats 


  liver
• stores bile


  gall bladder
• digestion of protein and starch

  pancreas
• absorption of nutrients


  small intestine
• reabsorb water


  large intestine
• eliminates feces


  anus
• animals live on the source of their food and eat through it

  substrate-feeders
• aquatic animals strain the food particles from the water

  filter-feeders
• animals suck fluid containing nutrients from other animals

  fluid-feeders
• animals break down and swallow large amounts of food

  bulk-feeders
• insect eating plants capture and digest their prey through pitfalls and traps

  trapping mechanism
• gives a sweet odor to make their prey fall into the pitcher

  pitcher plant
• closes down and traps their prey when touched

  venus flytrap
• confuses their prey when they enter its translucent window in the leaf

  cobra lily
• collects rainwater to attract their prey


  yellow pitcher plant
• traps its prey using its sticky substance to find their leaves

  sundew
• traps and feeds on their prey inside their cups

  monkey cup