A. a stable internal environment.
B. the incorporation of materials into the body.
C. the breakdown of foods.
D. the chemical reactions of life processes.
2. Assimilation is the process by which organisms
A. break down food.
B. distribute materials throughout itself.
C. incorporate materials into itself.
D. maintain a stable internal environment.
3. Reproduction is the process by which an organism
A. increases in size.
B. lengthens its life span.
C. produces others of its own kind.
D. incorporates materials into itself.
4. Digestion is the process by which an organism
A. increases in size.
B. breaks down foods.
C. distributes materials throughout itself..
D. incorporates materials into itself..
5. Which life processes involve obtaining material and changing it into useful forms?
A. metabolism and regulation
B. egestion and digestion
C. absorption and assimilation
D. digestion and egestion
6. Name the process by which an organism releases chemical energy from food.
A. Metabolism
B. Egestion
C. Regulation
D. Assimilation
7. Which life process is involved with the removal of wastes?
A. Ingestion
B. Egestion
C. Regulation
D. Assimilation
8. All organisms have a definite life span.
9. The ability of the body to maintain a constant internal environment is called
A. homesostasis
B. assimilation
C. respiration
D. metabolism
10. The term metabolism refers to
A. The synthesis of complex materials from simple substances.
B. the incorporation of materials into the body of an organism
C. the maintenance of a stable internal environment
D. all the chemical reactions of the life processes of an organism.