BIO 124 Final Exam ALL ANSWERS 100% CORRECT SPRING FALL-2023 EDITION GUARANTEED GRADE A+

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What does "d" represent in the figure showing vessels and organs of the lymphatic system? The thymus gland What are the structures in plants that are responsible for taking in carbon dioxide? the l... eaves What two structures function in gas exchange? stomata and lenticels Which of the following is a service provided by fungi for human benefit? antibiotics What correctly describes the movements of actin and myosin fibers? When ADP and P come off myosin, the crossbridges move the actin filaments to shorten the muscle fiber What does "a" represent in the figure of the anatomy of the human brain? The cerebrum Which of the following would be considered a type of loose connective tissue? Adipose What does "b" represent in the figure of the amniotic egg? amnion What is true of the offspring that results from breeding two closely related but separate species? sterile What is a shared characteristic between gymnosperms and angiosperms? Pollen is carried by the wind for pollination What does "c" represent in the figure showing vessels and organs of the lymphatic system? The tonsils What is the site of B-cell production and maturation? The red bone marrow What is the model of speciation where evolution has long periods of no change followed by brief periods of rapid change? punctuated equilibrium model What are the factors that affect population size where the percentage of individuals killed remains the same regardless of population size? Density-independent factors Each of the following is one of the body's long-term response to stress except _ (blank) _. An increase in blood glucose levels Antigens produced by pathogens are _ (blank) _ antigens; those produced by the body are _ (blank) _ antigens. foreign, self The cell walls of fungi contain a large amount of _ (blank) _. chitin What is the correct order of least to most dominant sporophyte generation? moss, fern, gymnosperm, angiosperm _ (blank) _ stimulates the liver to break down glycogen to glucose and to use fat and protein over glucose as energy sources Glucagon What does "a" represent in the figure of the human urinary system? The kidney Which of the following structures would you study to learn more about the Pax6 gene in an organism? the eye _ (blank) _ occurs when the windward side of a coastal mountain range gets more rain than the leeward side. The rain shadow effect Which of the following would not be considered a density-dependent factor controlling population size? Drought Which type of muscle is not striated and involuntary? Smooth When are dinosaurs thought to have gone extinct? at the end of the Cretaceous The presence of _ (blank) _ in high concentrations in the urine would indicate that an individual is diabetic. Glucose Monocots can be used for human benefit in all of the following ways except _ (blank) _. medicines What portion of the plant is located at the shoot tip? the terminal bud Which of the following statements about differential gene expression is true? It might change leg length between species What are the broadest divisions on the geologic timescale? eras What type of hormones enter the cell or nucleus where they bind to receptors? Steroid hormones Which of the following is not a type of distribution pattern found in organisms? Equilibrium Which of these is NOT a density-dependent factor which controls population size? Fire Which ecosystem with fertile soil has been mainly converted into agricultural farmlands for human use? Temperate grasslands Which of the following best describes the evolution of bacteria? the evolutionary species concept What is Sphagnum, which has nonliving cells that can absorb moisture and can be used in gardening? moss What is the portion of the gymnosperm which gives rise to the egg-producing gametophyte? megaspore What two body systems control and regulate homeostasis in the human body? Nervous and endocrine Which of the following statements is true of both the nervous system and the endocrine system? They both use a negative feedback mechanism What lymphatic tissue is located in the intestinal walls? The Peyer patches Which of the following is not an adaptation of animals living in the arctic tundra? Polar bears change their fur coat color from white to brown (with the seasons) Which of the following is not a function of the neuroglia? They help neurons divide Steroid hormones can be produced by _ (blank) _. The ovaries Which of the following is true about skeletal muscles? They work in antagonistic pairs Cells found in tissue that cause the surrounding capillaries to dilate are called _ (blank) _. Mast cells What does "C" represent in the figure showing the endocrine system glands and organs? The thyroid gland Which of the following statements is true of the sporophyte generation, but not the gametophyte generation? Egg and sperm are produced through meiosis The presence of _ (blank) _ in the urine is an early indicator that tubular secretion is not functioning correctly. Uric acid How far back do fossils from the Burgess Shale date? 540 million years ago What are the tissues of a leaf, from the upper surface to the lower surface? epidermis, palisade mesophyll, spongy mesophyll, epidermis What type of animals have their body cavity incompletely lined with mesoderm? pseudocoelomates What is the second way substances are removed from the blood and added to the tubular fluid? Tubular secretion Population size is thought to level off at the _ (blank) _ of an environment. Carrying capacity What does "d" represent in the figure of the amniotic egg? chorion Which ecosystem is shown in the shaded areas of this global map? Coniferous forest Aquatic ecosystems are classified according to various criteria, including all of the following except _ (blank) _. Amount of rainfall it receives Hypersecretion of _ (blank) _ causes Cushing syndrome. The adrenal cortex Which of the following types of tissue is composed of stratified squamous epithelium? Epidermis _ (blank) _ are bone-forming cells CONTINUED.. [Show More]

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