Biology Unit

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Across
  1. 2. The cell's control center, directing all of the cell's activities
  2. 4. Smallest unit of an organism that can perform life functions
  3. 6. Arthropods that live mainly on land
  4. 8. Animals without backbones
  5. 10. Small structures that function as factories to produce proteins
  6. 12. Mollusks with two shells
  7. 13. Refers to the way an organism moves
  8. 14. Group of tissues that work together to perform closely related functions
  9. 15. Storage area of the cell
Down
  1. 1. Captures energy from sunlight and uses it to produce food for the cell
  2. 3. Refers to the internal skeleton found in echinoderms
  3. 5. Tiny cell structures that carry out specific functions within the cell
  4. 7. Phylum that includes vertebrates
  5. 9. Egg-laying mammals
  6. 11. Multicellular organisms that must eat other organisms for food