29. If a human system fails to function properly, what a is the most likely result? A. a stable rate of metabolism B. a disturbance in homeostasis С. a change in the method of cellular respiration D. a change in the function of DNA

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?