The retinas of predatory birds such as hawks ____.
a. have no discernible fovea
b. have a greater density of receptors than do humans on the top half of the retina
c. have a greater density of receptors than do humans on the bottom half of the retina
d. are virtually indistinguishable from the retinas of humans
Question 2
A possible treatment for Alzheimer's is the administration of drugs that ____.
a. stimulate acetylcholine receptors
b. inhibit the basal forebrain
c. inhibit acetylcholine release
d. increase tau production
Cross-sectional data showing that the amount of effort spent on personal health care increases with
Men who are at risk for heart disease and report work-related stressors are at greater risk of death ...
Middle age brings greater career satisfaction than young adulthood, sometimes through major job ...
Did birds evolve from dinosaurs?
Greater Long-nosed Tree Shrew (Tupaia tana), Borneo and Sumatra.
Birds-eye view of land