SCIENCE - Interactions

•  shows the sequence of transfers of matter and energy in the form of food from one organism to the another

  food chain

  
• plants and bacterias are called producers or _

  producers or autotrophs
• Consumers or heterotrophs - The grasshopper, bird and snake which cannot produce their own food and depend on other organisms for food are called
• Trophic levels


  Classification of organisms in a food chain depending on what they eat
• Trophic levels in the food chain

  • Producers (first trophic level)
  • Primary consumers (second trophic level)
  • Secondary consumers (third trophic level)
  • Tertiary consumers (fourth trophic level)
• Producers


  Organisms in the first trophic level
• Secondary consumers


  Mostly omnivores, at the third trophic level
• Tertiary consumers


  Carnivores, at the fourth trophic level
• Apex predators


  Tertiary consumers at the top or end of the food chain
• Decomposition


  1. Snake dies

  2. Provides food and energy to organisms like mushrooms, worms, bacteria

  3. Decomposers, what process is this number called?
• Byproducts of decomposers


  Become fertilizers to the producers
• A food web consists all the food chains that are interconnected in a given ecosystem
• Label the animal's names shown in the food chain.

  A) Mouse

  B) Grass

  C) Grasshopper

  D) Frog

  E) Bird

  F) Snake

  G) Hawk

  H) Fox

  I) Owl

  J) Rabbit

  
• Label the following {3 Consumers} {1 producer}

  A) consumer

  B) Consumer

  C) consumer

  D) producer

  
• Biomass is the total mass of organisms in a food chain or food web. When a snake eats a bird, the nutrients and energy is absorbed and utilized by the snake’s body.
• Phytoplankton are microscopic organisms that live in watery environments like bacteria, some protists, and single-celled plants
• Phytoplankton are microscopic organisms that live in watery environments like bacteria, some protists, and single-celled plants

  
• Let’s try to solve for the amount of energy available to organisms. If the energy available at the level of producers is 10,000 calories, how much energy will make it to the level of tertiary consumers? By multiplying 10,000 calories and 0.1%, the tertiary consumer will only receive _ calories of energy. 10,000 cal x 0.001 = _ cal (Only one answer, a two digit number)

  10