5. Maintained by nervous and chemical control.
A. Respiration B. Reproduction C. Excretion D. Regulation
6. The guard cells of a plant leaf swelling shut to prevent water loss. This
keeps the plant hydrated and prevents dehydration.
A. Respiration B. Nutrition C. Homeostasis D. Growth
7. In plants glucose is converted to a large sugar molecule known as
cellulose. In humans, glucose is converted to a large sugar molecule
known as glycogen and stored in the liver. What life function describes
these processes?
A. Growth B. Nutrition C. Homeostasis D. Synthesis
8. The life process which converts chemical energy into a usable form.
A. Reproduction B. Respiration C. Synthesis D. Homeostasis
9. In which process are simple materials chemically combined to form more
complex materials?
A. Respiration B. Reproduction C. Nutrition D. Synthesis