CFA 3 Cells Review

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Across
  1. 1. The maintenance of a constant internal state in a changing environment.
  2. 3. Cells use _____________ ________ to replace dead or damaged cells and to allow multicellular organisms to grow.
  3. 7. From smallest to greatest is atom, molecule, cell.
  4. 8. A protective layer that covers the cell surface, and acts as a barrier, controlling what goes in and out the cell.
  5. 14. This invention helped in the discovery and advancement of the cell theory
  6. 16. A ___________ is the smallest functional and structural unit of all living organisms.
  7. 18. Genetic material that provides instructions for all cell purposes.
  8. 19. The control center of the cell that contains the DNA.
  9. 20. A structure made up of a collection of tissues that carries out a specialized function.
  10. 22. Small bodies in a cell's cytoplasm that perform specific functions.
  11. 24. Almost all the energy that fuels life on Earth come from the sun.
  12. 26. The gel-like fluid that includes all of the organelles of the cell.
  13. 28. Fluid filled vesicles that may contain enzymes, nutrients, water or waste. Plant cells have one large central _____________ that stores water and gives shape to the cell.
Down
  1. 2. Made up of 2 or more atoms.
  2. 4. A group of organs that work together to perform body functions.
  3. 5. Plants and animals use ____________ _______________ to produce energy for cell processes.
  4. 6. Organelles where photosynthesis occurs.
  5. 9. All cells have a cell membrane, DNA, organelles, and cytoplasm. The single cell of a ______________ _____________ must carry out all of the functions for life.
  6. 10. Break down food molecules to release energy by cellular respiration.
  7. 11. Made up of 2 or more cells. It's cells may be specialized to perform specific functions.
  8. 12. An _______________ is any living thing.
  9. 13. A group of similar cells that perform a common function.
  10. 15. The green pigment contained in chloroplasts that absorbs the energy in sunlight.
  11. 17. ______________ are found in animal cells and have digestive enzymes that help break down waste.
  12. 21. Lists three basic characteristics of all cells and organisms A) All organisms are made up of one or more cells B) The cell is the basic unit of all organisms C) All cells come from existing cells.
  13. 23. All matter is made up of these.
  14. 25. A rigid structure that protects and gives support and shape to plant cells.
  15. 26. A molecule made up of 2 or more different types of atoms.
  16. 27. The process by which cells use sunlight, carbon dioxide, and water to make sure and oxygen.