Across
- 5. a term used to describe when the environment or another species creates evolutionary pressure for a particular body form to survive
- 8. term used to mean "does not require oxygen"
- 9. a diagram showing the flow of energy in an ecosystem
- 10. a gas produced from cellular respiration
- 13. the process by which organisms break down sugar for energy
- 14. term used to mean "requires oxygen"
- 16. term used to describe maintaining balance
- 19. term used to describe the size of a population that an ecosystem can support
- 20. term used to describe when living things impact other living things
- 21. term used to describe when nonliving things impact living things
Down
- 1. process by which an organism absorbs nitrogen
- 2. term used to describe where an organism gets its' energy from
- 3. process by which amount of acid increases in ocean water lower the pH
- 4. an event in which an ecosystem falls out of balance and carrying capacity drastically changes
- 6. the process producers use to create sugars
- 7. term for organism that do photosynthesis
- 11. term for organism that must eat other organisms for food
- 12. a species that plays a large role in balancing an ecosystem
- 15. the unit of measurement used for how much hydrogen is present in a solution
- 17. a gas produced from photosynthesis
- 18. process by which nitrogen is transformed from N2 gas to a usable form