Scientific Investigation

2. The process of how organisms acquire adaptations over time.
3. An organism from which others have descended.
6. An inherited trait that helps an organism survive.
7. Joints that allow movement in all directions.
8. A group of organs whose primary function is movement.
10. A unit that determines traits.
11. (Deoxyribonucleic acid), a self-replicating material present in nearly all living organisms as the main constituent of chromosomes.
12. Diagram that shows hoe energy moves from one feeding level to the next in a food chain.
13. Occurs when the environment changes and the adaptations of a species are no longer sufficient for its survival.
14. A disorder of the metabolism causing excessive thirst and the production of large amounts of urine.
16. A group of living things and their surroundings.
17. The ability to cause change or do work.

1. A group of organs and nerves that gather,interpret,and respond to information.
4. The process by which organisms with favorable adaptations survive and reproduce at a higher rate than organisms with less-favorable adaptations.
5. An ancient supercontinent that broke apart to form today's continents.
9. A preparation of virus particles that,when injected into the body,causes the immune system to produce antibodies.
15. A set traits an organism receives from its parents.