Which features of the ocean floor are found in the open ocean? check all that apply. ridge trench abyssal plain continental slope continental shelf

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?