End Of Semester Test, Biology I-2 Study Guide Questions And Correct Answers

Dylan is on a strict vegan diet. He doesn't consume meat, fish, eggs, or dairy products. Which nutrient is difficult to obtain naturally from a vegan diet? {Ans: vitamin B12}For lunch, Kesia eats a piece of salmon with garlic butter. Which statement is true about her meal? {Ans: It's low in carbohydrates.}Categorize each relationship as mutualism or parasitism. {Ans: Mutualism- lactobacilli digesting, bees pollinating parasitism- mosquitoes sucking blood, sea-lamprey eggs}Match the physical characteristics of the organisms to their purpose. {Ans: thin, hairlike structures used for locomotion- cilia long, tail-like structure used for locomotion- flagella feetlike projections to capture a potential prey- pseudopods used to hold onto rocks- pilli}Which body part represents the notochord in vertebrates? {Ans: backbone}Match the vitamins with the health benefits they provide. {Ans: VITAMIN A- protects against night blindness VITAMIN D- protects against rickets VITAMIN E- maintains healthy skin VITAMIN K- improves blood clotting}