Across
- 2. change in DNA that leads to variation in a species
- 3. the hormone made by the pancreas to lower blood sugar
- 7. an injection made of dead or weakened pathogens
- 9. organisms that can make their own food, also known as producers
- 11. the body system that breaks large molecules into small pieces the body can use
- 13. the variable you measure in an experiment
- 14. the body system that transports oxygen, carbon dioxide and nutrients to all body parts
- 15. a process done by plants to make food using the sun's energy
- 18. an animal that eats plants only
Down
- 1. proteins made by the white blood cells
- 4. an animal that eats meat only
- 5. a community of organisms and their environment
- 6. non living parts of an ecosystem
- 8. a body invader like a virus or bacteria
- 10. the way the body responds to maintain homeostasis
- 12. organisms that cannot make their own food, also known as consumers
- 16. stable, normal body conditions
- 17. an organism that hunts and eats others