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Sensory
| Question | Answer |
|---|---|
| are rods and cones in eyes crossed or straight | crossed |
| what are the three types of cones | red, green, and blue-violet |
| what do ganglion cells generate? | action potential |
| what is the informal name for the optic nerve and what does it consist of | blind spot, and it consists of millions of axons |
| what is the distribution of photopigments? | -mainly reds, very few blue receptors -insensitive to short wavelengths, high sensitivity to long wavelengths -center of retina has no blue cones |
| evidence for the trichromatic theory | color blindness |
| different forms of color deficiency | -dichromates (two cones) -monochromats (one cone) -red-green is most common form |
| what are most mammals? | dichromates |
| what do rodents tend to be | monochromes |
| what are most species? | tetrachromes |
| what are receptors and what did they have? | they're receptors in photoreceptor cells and they had lots of gene duplication events |
| what is a cephalochordata | a phylum that has collection of opsins in their head (light sensitive eye spots) |
| Ocelli (insect vision) | simple eye that detects horizon changes in light intensity |
| main eye (insect vision | a compound eye that has multiple ommatidium (these compose the compound eye) |
| Bee vision | -they see the same wavelength as we do but they see UV -they're really good at telling edges but can't tell full shapes apart |
Created by:
madalynes