Across
- 3. cycle continuous movement of water molecules that keeps amount of water constant
- 5. medicine used for bacterial infections
- 8. an atom of an element with a different number of neutrons
- 11. another name for a producer
- 14. eats only plants
- 15. positive subatomic particle that determines element identity
- 16. different substances put together physically
- 19. prokaryotic cell less than 1% pathogenic
- 20. symbiotic relationship both species benefit
- 22. all the water molecules on Earth
- 23. where salt and fresh water mix - brackish water
- 26. made of only one type of atom
- 27. something that must eat something else cannot make its own food
- 28. a new solid formed in a chemical reaction
- 29. start of the food chain that makes its own food
Down
- 1. negative subatomic particle that is outside the nucleus in orbital shells
- 2. eats only meat
- 4. eats plants and other animals
- 6. takes over a host cell to replicate
- 7. another name for a consumer
- 9. parasite benefits and host is harmed
- 10. how acid or base substance is
- 12. disease that has spread around the world
- 13. clarity of water - high means cloudy
- 17. two or more elements chemically combined
- 18. general term for anything that causes disease
- 21. cold water with nutrients rises to surface of ocean
- 24. doing something good for the environment
- 25. breaks down dead material and put nutrients back in environment