Across
- 2. The _______ of chimpanzees and humans are 99% identical.
- 4. Robins are capable of flying within ___ month/s of hatching.
- 5. A biosphere is an environment currently sustaining ________.
- 7. What is Joanne Chory's profession?
- 9. An adaptation is an __________ characteristic that results from changes to a species over time.
Down
- 1. Living things display ____________.
- 3. A group of organisms that can breed with one another and produce fertile offspring.
- 6. What is it called when an organism changes from a simple form to a more complex one?
- 8. What is the science of life?
- 10. All living things require ______.
