(Q).
Answer the following question given this paragraph: Brain and spinal cord injuries most commonly occur because of car crashes or athletic activities. Fortunately, many injuries can be prevented by wearing seat belts and safety helmets (see Figure below ). Avoiding unnecessary risks, such as doing stunts on a bike or diving into shallow water, can also reduce the chances of brain and spinal cord injuries. Q: What are the two most common common ways that brain and spinal cord injuries occur? Choices: - falls and surgical error - sports and household accidents - car crashes and falls - car crashes and athletic activities A:
(A).
car crashes and athletic activities

(Q).
Answer the following question given this paragraph: All of the organ systems of the body work together to maintain homeostasis of the organism. If homeostasis fails, death or disease may result. Q: What will be the effect to an organism if its homeostasis is not maintained? Choices: - slow aging - weight regulation - healthy mental state - death or disease A:
(A).
death or disease

(Q).
Answer the following question given this paragraph: There are only about 25 living species of lancelets. They inhabit the ocean floor where the water is shallow. Lancelet larvae are free-swimming. The adults can swim but spend most of their time buried in the sand. Like tunicates, lancelets are filter feeders. They take in water through their mouth and expel it through an opening called the atriopore (see Figure below ). Lancelets reproduce sexually and have separate sexes. Q: How do lancelets reproduce? Choices: - asexually - parthenogenesis - aerobically - sexually A:
(A).
sexually