Life Science Review

123456789
Across
  1. 1. Red blood cells are _____________ and flexible (page 42)
  2. 4. ______________ molds grew in Dallas in the photograph on page 18
  3. 5. What instrument makes small objects look larger? (page 28)
  4. 6. All living things have ______________ organization (page 19)
  5. 8. All living things need ____________ to survive (page 24)
  6. 9. Organisms need a source of ______________ to live (page 23)
Down
  1. 2. What is the name for the "brain" of a cell? (page 36)
  2. 3. All cells have cell _____________ (photo, page 35)
  3. 6. While a plant cell is shaped like a square, an animal cell is shaped like a _____________. (page 39)
  4. 7. Over time, a tiny ______________ develops into a giant oak tree (page 20)