Which sentence best describes these two models? A. Model A has a larger surface area.

B. Model A has a higher ratio of surface area to volume.

C. Model B has a larger volume.

D. Model B has a higher ratio of surface area to volume.

Which of the following best describes homeostasis? a. keeping the internal environment in a stable state b. keeping the external environment in a stable state c. beneficial characteristics resulting from mutation d. reproduction that results in offspring identical to the parent.

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Which type of respiration takes place when there is no oxygen present