Biology crossword

123456789101112131415
Across
  1. 5. An autotrophic organelle is where photosynthesis takes place
  2. 7. This rule states about equal amount of guanine and cytosine
  3. 8. Ions of this element play major role in muscle contraction
  4. 12. Produces its own food
  5. 15. Visited Galapagos Island in 1835
Down
  1. 1. A heterotroph that lives on herbaceous and non-herbaceous material
  2. 2. A state of equilibrium between internal and external environments
  3. 3. Cancer cells exceed this limit of divivsions
  4. 4. An artifact of a previously living organism
  5. 6. A herbivore or carnivore that can't feed itself
  6. 9. A diagramatic representation of evolutionary relationships
  7. 10. The eradication of a species for eternity
  8. 11. Autotrophs produce food and oxygen for heterotrophs
  9. 13. Peptidases that break peptide bonds of nonterminal amino acids
  10. 14. Bacteria are example of