Unit 4 Energy and Matter

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Across
  1. 2. a graphic representation of energy flow in a food chain. It shows the amount of energy that is available at each trophic level
  2. 4. a process where some organisms use chemical energy to produce carbohydrates (instead of using light energy like photosynthesis)
  3. 8. an animal that gets its energy from eating plants and only plants (ex: cows, rabbits)
  4. 9. a process that occurs in the mitochondria of cells, where glucose and oxygen are used to produce energy
  5. 11. a model that shows many food chains linked together to show the feeding relationships of organisms in an ecosystem
  6. 14. a linear sequence of organisms through which nutrients and energy pass as one organism eats another
  7. 15. a process through which carbon moves from the atmosphere into the Earth and its organisms and then back again.
  8. 17. the total mass of all living organisms in a given area or ecosystem at any one time
  9. 18. a process where glucose is broken down to create energy when there is not enough oxygen. There are two types; lactic acid fermentation and alcoholic fermentation
  10. 20. an organism that can produce its own food through photosynthesis (ex: plants)
  11. 21. a process used by plants and other organisms to convert light energy into chemical energy that can be used to fuel the organisms’ activities
Down
  1. 1. a molecule that carries energy within cells. All life uses ATP for energy transfer
  2. 3. an animal that eats other animals
  3. 5. an organism that cannot produce its own food and obtains nutrients by consuming other organisms (ex: animals, bacteria, fungi)
  4. 6. an organism that breaks down the cells of dead plants and animals
  5. 7. a process that converts sugar to acids, gasses or alcohol
  6. 10. a specific level in an ecosystem’s food chain or food web
  7. 12. a process that takes place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP) and then release waste products.
  8. 13. the process by which water is carried through plants from roots to small pores on the underside of leaves, then it changes to a vapor and is released into the atmosphere
  9. 16. an animal that eats both plants and other animals for their main food (ex: bears, birds, humans depending on their diet)
  10. 19. an organism that feeds on dead or decaying organic matter (ex: vultures, hyenas, certain insects and bacteria)