Across
- 4. hot springs in the ocean floor
- 6. the sum of all body activities
- 7. active mainly during the day
- 12. the father of the scientific method
- 13. conditions not the same in all groups
- 14. the study of living things
- 15. a way of explaining an object or event by using a set of facts
- 16. the study of organisms interacting with their surroundings and each other
Down
- 1. living things
- 2. the type of symmetry in which an organism can only be cut one way to create right and left halves
- 3. the area between the highest and lowest points that the tide reaches
- 5. a sensible explanation about the objects and events in nature
- 8. the study of how an organism's internal structure functions
- 9. animal life
- 10. a small toe high on the leg that does not normally reach the ground
- 11. everything surrounding the organism being studied
