Please answer all questions with the best of knowledge.
Question 1 (5 points)
How can a seemingly valuable behavior evolve in one species but not in another? For example, primates can vomit but rodents cannot. Mention genes and natural selection in your answer.
Question 2 (5 points)
Many people believe that we use only ten percent of our brains. Use evidence about the brain to evaluate such a claim.
Question 3 (5 points)
How are neurotransmitters, membrane receptors and ion channels related?
Question 4 (5 points)
What are three differences between rod and cone photoreceptors?
Question 5 (5 points)
How would you describe the difference between what the retina does and what the striate cortex does?
Question 6 (5 points)
Explain how hair cells transduce sound into elecrical potentials.