Across
- 3. how well an organism survives and reproduces in its environment (not physical strength)
- 4. The process by which organisms with traits better suited to their environment survive and reproduce more successfully than others
- 6. A trait that helps an organism survive and thrive in their environment
Down
- 1. A group of organisms that can have fertile offspring
- 2. The process by which populations of organisms change over generations through inheriting traits
- 5. A change in the DNA code that can introduce new traits