Question: Q: The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? Choices: - fingers - claws - beaks - feathers A:
Answer: feathers

Question: Q: Which muscles allow your fingers to also make precise movements for actions? Choices: - paired muscles - motoric muscles - fine movement muscles - intrinsic muscles A:
Answer: intrinsic muscles

Question: Q: Which carrier molecule becomes less effective at binding oxygen as temperature increases? Choices: - water - helium - hydrogen - hemoglobin A:
Answer:
hemoglobin