Across
- 7. animals that fly and have feathers
- 9. the amount of protons in an element
- 11. Carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfer
- 12. What animals do after being in a certain area for a while
- 14. tried to steal the baby buffulo from the lions
- 15. the amount of protons and neutrons in an element
- 18. building block of all elements
- 19. conducts heat and electricity
Down
- 1. element with 99 protons
- 2. and uneven amount of protons and electrons, positive or negative charge
- 3. ocean dwelling animals that swim
- 4. fuels living things
- 5. a biological macromolecule
- 6. and uneven amount of protons and neutrons
- 8. a bond between two elements that contain 4 electrons
- 9. living things that have tissues and organs
- 10. coyote wolf hybrids
- 13. true or false wolfs can mate with coyotes
- 16. zoology is the study of what?
- 17. animals need it to survive