Natural Selection

4. the actions and mannerisms made by organisms in response to their environment
6. the outward appearance of a distinct part hat can be seen, such as the roots, stem, leaf, or flower of a plant
7. the process of changing in response to something, such as environmental condition
8. the arrangement of and relationship between the parts of something; made up of a number of parts that are held or put together in a particular way
10. the scientific study of an organism's vital functions including growth and development
11. a plant whose roots grow down into the soil as a response to gravity
12. marked difference or deviation from the normal or recognized form, function, or structure

1. the physiological activity of apart
2. movement or growth in response to lights or colors of light
3. a state of inactivity and decreased metabolism in animals, characterized by lower body temperature, slower breathing, and lower metabolic rate
5. the relatively long-distance movement of individuals, usually on a seasonal basis
9. a method of concealment that allows an otherwise visible animal to remain unnoticed by blending with its environment