Biology Vocabulary

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Across
  1. 3. smallest particle of matter that has protons, neutrons and electrons
  2. 7. system of the heart and blood in the body
  3. 9. substances produced by the endocrine system that send messages around the body
  4. 10. What people and animals breathe in
  5. 11. a species changing through many generations
  6. 14. ATP the energy used in a cell
  7. 16. The study of animals and their environment including each other
  8. 18. a system in balance
Down
  1. 1. feel good hormone
  2. 2. DNA the instructions on how to make life
  3. 4. the powerhouse of a cell where respiration occurs
  4. 5. Animal in a food web that impacts multiple other animals
  5. 6. What plants breathe in
  6. 8. the smallest unit of life
  7. 12. a living creature
  8. 13. where the genes of an animal are
  9. 15. tool used to figure out the genetic probability of a trait
  10. 17. genetic code for a specific trait