Crossword Puzzle

Evolution 1-3


  1. Camouflage; makes an organism difficult to spot. (crypticcoloration)
  2. specific characteristic of an individual (trait)
  3. Animal hunted or caught for food (prey)
  4. inherited characteristic that increases an organism's chance of survival (adaptation)
  5. sequence of DNA that codes for a protein and thus determines a trait (gene)
  6. A trace of an ancient organism that has been preserved in rock. (fossil)
  7. any of numerous small songbirds with short stout bills adapted for crushing seeds (finch)


  1. single-celled organisms that lack a nucleus; prokaryotes (bacteria)
  2. A unicellular organism that lacks a nucleus and membrane bound organelles (prokaryote)
  3. A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size (binaryfission)
  4. A temporary union of two organisms for the purpose of DNA transfer. (conjugation)
  5. A chemical secreted by a living organism that kills or reduces the reproduction rate of other organisms (antibiotic)
  6. Any difference between individuals of the same species. (variation)
  7. an animal that naturally preys on others. (predator)
  8. to develop gradually (evolve)
  9. Change over time (evolution)

["naturalselection", "charlesdarwin", "species", "caroluslinnaeus", "naturalist", "galapagosislands", "hypothesis", "theory"]

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