LS book Ch 4 Section 1

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A body part made of tissues working together to perform a function. (5)
  2. 5. One of the contractile organs of the body (6)
  3. 7. A natural protective body covering and site of the sense of touch (4)
  4. 9. A system formed by the interaction of a community of organisms with their physical environment (9)
  5. 12. The number of inhabitants in a given place (10)
  6. 13. Animal reproductive body consisting of an ovum or embryo together with nutritive and protective (3)
  7. 14. Consisting of many cells (13)
  8. 15. Part of an organism consisting of an aggregate of cells having a similar structure and function (6)
  9. 16. A sample of matter in which substances in different phases are in equilibrium (plural) (7)

Down

  1. 1. Strands that grow on your head (4)
  2. 2. Green parts of a tree that fall in autumn (6)
  3. 4. Rigid connective tissue that makes up the skeleton of vertebrates (plural) (5)
  4. 6. Having or consisting of a single cell (11)
  5. 8. To become more focused on an area of activity or field of study (11)
  6. 10. A group of people having a religion, ethnic, profession (9)
  7. 11. The power to do work or make things move (6)