Across
- 4. The way in which populations of living things change and develop over time (Hint: Darwinism, Natural Selection)
- 5. Closely related species acquiring enough variations in their traits that it leads to two distinct new species
- 7. The natural environment where an organism lives and thrives
- 8. An animal that is caught and killed by another for food.
Down
- 1. An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
- 2. An organism deriving its nutritional requirements from complex organic substances.
- 3. Different species developing similar traits independently over time
- 6. A specific role or position in an ecosystem occupied