Rods are to ____ as cones are to ____.
a. the periphery; the fovea
b. red; blue
c. vertebrates; invertebrates
d. reading text; reading road signs
Question 2
Why is the Aplysia such a popular animal for single-cell studies of learning?
a. Aplysia have neurons that are virtually identical from one individual to another.
b. Aplysia have greater learning abilities than other invertebrates.
c. Aplysia have short-term learning but not long-term learning.
d. Aplysia have only two neurotransmitters, one excitatory and one inhibitory.
Aerial view of a blue whale showing both pectoral fins
Blue Ringed Octopus
Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects
Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease.
Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.
Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher