Jeopardy Flashcards
2/3 ways brain has changed in evolution
- gained regions for speech
- changes in occipital and anatomical portions of brain
- changes can lead to new functional fields (speech) or enhance previously existing functions (texting thumbs)
Under what circumstances would this mom and baby blood type be a problem?
mom + and baby - = no problem
mom - and baby + = problem
What molecule creates the ABO system?
H anitgen
Which factor increases variation but does not alter allele frequency?
genetic recombination
2 factors that help maintain the center of gravity in humans?
- S shape spine
- femur is pointed inward (increased valvus angle)
How has the brain developed to give more capacity
-creation of wrings and convoluted lines in sulcus, increases surface area without increasing size
2 elements that affected reproductive timing in Neandertals
- fast brain size increase in infants
2. If mom is done growing and out of personal development then food intake just goes to baby
Advantages of having 2 male marmosets?
-males watch babies so mom can go hunt and eat without baby and bring back nutrients for both
How large is homoerectus brain size
80% the size of current human brain size
What prevents baby’s from choking?
-epiglottis touches soft pallet, which cuts off and prevents choking
What can type O blood do that BO cant?
O= universal donor
BO can’t make B antigents because it would attack its self but O can
What provides anchor for the tongue?
Hyoid Bone
Major example of asymmetry in brain
Language
What accelerates ability to learn lang
FOXP2
Why do chimps need more muscle power to support their weight?
bipedal and quadrapedal–> muscles needed for both and to support their weight in trees