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Questions in biology

📝 Answered - In which type of selection does a change in the environment make it so that individuals with one type of extreme trait survive and reproduce at higher rates than other individuals? A. directional selection B. stabilizing selection C. disruptive or diversifying selection D. frequency-dependent selection

📝 Answered - Antibiotic-resistant strains of bacteria tend to first be found in hospitals. Which factor explains why this is the case? A. A hospital has more bacteria than would be found in other places. B. Sick people are more likely to provide an environment where resistant strains are favored. C. Antibiotics are more likely to be present in hospitals, thus selecting for resistant strains. D. Bacteria can reproduce more easily in a hospital environment than in other places. E. Bacteria cannot survive as successfully in areas outside of hospitals.

📝 Answered - Which environmental factor would likely lead to an increase in genetic variation in a population of squirrels? A. an increase in predators B. an increase in available food C. an increase in forest fires D. an increase in pollution

📝 Answered - Which of the following processes is most likely to be occurring when a person sweats during heavy exercise? A. Hydrophobic interactions B. Evaporative cooling C. Solution formation D. Transpiration

📝 Answered - Which term describes the system of fluid-filled tubes and sacs that connect structures of the inner ear to the brain? A. anvil B. cochlea C. stirrups D. labyrinth

📝 Answered - According to what you have just learned, how would you expect the breathing patterns to change at a high altitude in the mountains? a) The breathing rate will increase, while the depth of breathing will decrease b) Breathing rate and breathing depth will increase c) Breathing rate and depth of breathing will decrease d) Breathing rate will decrease, while the depth of breathing will increase

📝 Answered - Schleiden concluded all plants are made of cells and Schwann concluded the same thing about animals. Together, how did they contribute to cell theory? A. They proved that cells are neither created nor destroyed. B. They published several ideas on cell generation. C. They created the theories on the division of cells. D. They claimed that cells were the basic unit of all living organisms.

📝 Answered - Bile salts are created by the liver. They help break down fats in which organ? A. Small intestine B. Large intestine C. Liver D. Salivary glands

📝 Answered - Which term describes species that produce many offspring quickly with little or no parental care?

📝 Answered - Which part of the mind interprets what you’re saying, hearing, or thinking about in that moment?