Growth and Survival

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Across
  1. 1. insect that grows from a caterpillar.
  2. 4. when a species is no longer alive
  3. 5. changes its fur when the seasons change.
  4. 6. on surface of an insect to let gases in
  5. 8. what animals use to breathe underwater
  6. 10. type of metamorphosis that has 4 stages
  7. 11. openings on leaves that let gases in and out
  8. 12. type of metamorphosis that has 3 stages
  9. 14. learns to hide under the sand to stay safe
  10. 16. predictable changes in communities
  11. 17. allows an organism to survive better
Down
  1. 2. part of a plant that gets water from the ground
  2. 3. a random change in a gene
  3. 4. frogs lay these in water
  4. 7. hard skeletons on the outside of body
  5. 8. what animals underwater breathe through
  6. 9. animal changing form in its life cycle
  7. 13. animals that learn to hunt its prey
  8. 15. characteristics that help an animal survive