Can you think of other examples in our anatomy or physiology that represent an "imperfect design" due to evolutionary history similar to the crossing pathways of food and air?
What will be an ideal response?
ANS:
Answers may vary, but could include: the blind spot in vertebrate eyes, the appendix, and the mismatch be-tween female pelvis openings and babies' head size.
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Which of the following carry electrical signals AWAY from the CNS?
A. sensory neuron B. motor neuron C. interneuron D. glial cell E. All of these choices are correct
What are the two common patterns of chromosome segregation seen in the tetravalent structures found in translocation heterozygotes?
What will be an ideal response?
Who originally discovered the process of bacterial transformation?
A. Watson and Crick B. Chargaff C. Griffith D. Meselson and Stahl E. Hershey and Chase
How are excretion and defecation alike?
A. Both eliminate waste from the body. B. Both involve the colon. C. Both involve the kidneys. D. Both are carried out by the urinary system. E. Both are carried out by the digestive system.