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Energy through an Ecosystem - Producers (Grade 10)

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Energy through an Ecosystem - Producers

1. 
Which of the following statements is TRUE?
  1. energy is not recycled, but it is converted from one form to another
  2. Producers eat other organism to obtain energy
  3. Consumers make sugar through photosynthesis
  4. Some types of bacteria can form carbon dioxide that plant and animals need
2. 
What are organisms called that make their own food with sunlight or chemical energy?
  1. producers
  2. consumers
  3. decomposers
  4. scavengers
3. 
Which of the following kinds of organisms have the greatest amount of potential energy?
  1. Consumers
  2. Producers
  3. Herbivores
  4. Carnivores
4. 
In the energy pyramid, which group forms the bottom and also has the largest number of organisms?
  1. Carnivores
  2. Herbivores
  3. Producers
  4. Consumers
5. 
Which of the following would be an example of a producer? Check all that apply.
  1. a mountain lion
  2. a green alga
  3. a mushroom
  4. a maple tree
  5. a green bacterium
  6. a sea anemone
6. 
What is another term for producers, organisms that make their own energy?
  1. heterotroph
  2. autotroph
  3. carnivore
  4. decomposer
7. 
Organisms that use                                    do not need sunlight to make their own energy. Instead they harness the energy from inorganic molecules.
8. 
What is the main product made by producers that provides them with their energy?
  1. lipids
  2. proteins
  3. carbohydrates
  4. nucleic acids
9. 
Producers are always unicellular organisms and occupy the lowest levels on every food chain.
  1. True
  2. False
10. 
Primary productivity is an essential part of an aquatic ecosystem. Organisms, such as algae, form the basis of every food chain in this type of environment. Explain what primary productivity is and how a disruption to it would impact the largest fish in a lake.



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