Across
- 2. a mistake or a change in a living thing's DNA
- 3. no living members of this species exist
- 9. the traits or behaviors that enables an organism to adjust to their environment
- 10. selection, breeding of plants and animals to produce desirable traits
- 11. an explanation for why or how things happen based on scientist's observations of the world
Down
- 1. rock, rocks that are made from other rocks
- 3. a process of change over time
- 4. selection, organisms that are best suited to their environment survive and pass on their traits
- 5. all the members of a species that live in a particular area
- 6. a group of similar organisms that can breed and reproduce fertile offspring
- 7. record, all the known fossils and their placement in the formation of rocks
- 8. variation, the difference in DNA among individuals of the same species