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improved vision parts...3
- bigger optic cortex
- stereoscopic vision
- color (cones)
part of the brain where the optic nerves partially cross...
prosimian optic setup...3
- binocular but not stereoscopic
- nerves connected to eye on same side
- more smell brain
anthropoid optic setup...6
- eyes on front of head
- overlapping visual fields
- stereoscopic vision
- depth perception
- optic chiasm
- less smell brain
explain depth perception...5
- right eye sees
- sends signal to right ride first
- sends signal to left side second
- image is seen twice
- processed as depth
how many olfactory sensors in a dog?
the first wave of primates were...
german term for "sensory world"
unvelt (phonetic spelling)
why color vision?...
- diurnal radiation
- color of edible insects
- color of deas branches/foliage
where are the rod cells concentratred?..
- along the edges of the retina
- edge receptors
- back and center
different types of cones are sensitive to...
...what are the three colors?...
- different frequencies of the visable spectrum
- blue, green, and red
what is the frequency range of the visual spectrum?
...what kind of light is above the visual spectrum?
- UV light
how big is a nanometer?
the width of one hydrogen atom
sight is a phenomena built around...
...hearing is built around...
- electromagnetic energy
- mechanical energy
the moth and the bat change to eat and avoid being eaten. what two things are happening?
- counter selection
- moving air
- tympanic membrane
- nerve ending
- electrical energy
ability to differentiate pitch...
- frequency specific hearing
- sexual dimorphism in humans
what % of glucose does the brain comsume?
phenomenon owed to displacement...
how many orders of mammals are there?
an organism whose internal temperature varies considerably. It is the opposite of a homeotherm; reptiles, amphibians...2
- behavioral thermoregulators
reproductive strategy in with most of the energy in invested in offspring befor birth; numerous expendable offspring...
reproductive strategy; energy is invested in abundance after birth; less offspring...
young born underdeveloped; need care from parents; primates are; learning required; k-strategic amimals...
early developers; horse; r-strategic; instintual...
why was is good to be a mammal after the horizon event on the Cretaceous/Tertiary boundary?...2
- because the climate cooled
- mammals are homoethermic
- smaller was better with limited environmental calories
- subclass Prototheria
2nd class of mammals...3
- subclass Metatheria
- live young
last class of mammals...4
- infraclass Eutheria
- "happy"/"true" mammals
- live born young
- pendulous mammi
built in/wireing cues/perfect
according to G.K., what happened to the great herds?
...according to archeology?...
- their birthing cycles got out of sink with the seasons
- overkill theory
common tree shrew/proto-primate...3
- Tupaia gils
- 2 brained animal
primates lost how many total incisors?
- Gaussion competition
- adaptive radiation
changes that preceed the arborial radiation...8
- new reproductive strategy
- new diet
- better vision
- better hearing
- better tactile sense
- reduced olfaction
- new locomotor patterns
- new dental structure
community programming; choice making process; propensity for error...
1. (of an organism, e.g., a barnacle) Fixed in one place; immobile.
a flexible, rod-shaped body found in embryos of all chordates. It is composed of cells derived from the mesoderm and defines the primitive ...
the last animal in a linage before a split...
- terrestrial adaptation
- learning behavior design
yam stealing baboons where?...
self-sacrifice for survival of the group...
- highly inbred populations
- kin selection
- inclusive fittness