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48 Cards in this Set

  • Front
  • Back

Mammals vs non mammals

Live birth warm blooded lactation gestation larger brains 4 limbs hair

Primates vs non primates

Prehensile grasping trichromatic color vision optic nerve splits into two eyes point forward opposable thumb flat nails reduced sense of smell larger eyes complex learned behavior long gestation social groups

Haplorrhines vs strepsirrhines

S have larger eyes sensory whiskers dental comb nocturnal digits act together vertical clinging and leaping

Prehensile

Grasping tail in new world central and South America

Brachiation

Long arms swing through forest in Southeast Asia

Hominoids vs primates

Large size no tail aboreal broader noses large brain

Humans vs hominoids

Bipedal reduce canines bigger brain

catarrhines (in relation to P)

C- downward nostrils bigger terrestrial sexual dimorphism

Platyrrhines (in relation to c)

Lateral nostrils tails

Hylobatids (in relation to hominoids)

Smaller brachiators monogamous little sexual dimorphism territorial

Humans


Hap-simiiformes-catarrhini hominoid-hominid-hominine

Habitual specialized bipedal reduce canines huge brain

Lemurs (strep)

Large eyes Madagascar dental combs quadrupedal brachiating leaves insects fruit gum female dominant

Lorises (strep)

Aboreal nocturnal fruit gum insects small

Tarsiers (hap)

Small nocturnal aboreal insects and small vertebrates dry nose post orb plate foeva

Foeva

Central area of higher resolution vision

Cercopithecines (baboons)


(Hap-simiiformes-Catarrhines)

Semi terrestrial large multi male multi female groups

Gibbons and siamangs


(hap-simiiformes-catarrhines-hominoids-hylobatids)

Smaller tropical forest of Asia brachiators monogamous territorial

Orangutans (pongo)


(Hap-simiiformes-catarrhines-hominoids-hominids-pomginae)

SE Asia islands extreme sexual dimorphism quadrumanual aboreal when small fruit leaves bark

Gorillas


(Hap-semiiformes-catarrhines-hominoids-hominids-hominines)

Central African forest small groups 1-2 males few females leaves stalks bamboo terrestrial

Chimps and bonobos


(Hap-semiiformes-catarrhines-hominoids-hominids-hominines)

Plants fruits insects animals males>females multi male multi female female vs male dispersal tool use

Frugivore

Big wide incisors


Wide home range grown patchy

Polygyny

One male

Polyandry

One female

Coefficient of relatedness

Fraction of alleles that 2 individuals share due to having a shared ancestor

Kin selection

Selection in which a trait becomes more or less common because it affects reproductive success of relatives more than non relatives

Reciprocal altruism

Altruistic behavior that is selected altruist is consistently repaid more than cost of action

Sexual selection

Selection that favors physical or behavioral traits that increase male success in mating

Intrasexual selection

Selection due to differences of same sex mating differences male male competition compete for access to females

Intersexual selection

Female choice females mate with given trait so it becomes exaggerated in males peacocks

Altruistic behavior

Behavior has cost to actor and benefit to another

Inclusive fitness

Total number of copies of individuals alleles to next generation both directly and indirectly

How can natural selection lead to altruistic behavior using concepts of kin selection inclusive fitness and Hamilton's rule?

Altruistic behavior can be favored of recipient is a relative of the actor and the cost to actor is less than benefit to recipient discounted by fraction of alleles that they share by descent

Predators of primates

Pythons raptorial birds crocs leopards other primates people

Female philopatry

Male dispersal

Male philopatry

Female dispersal

Short/fast life history strategy

Have lot of kids fast in short amounts of time a lot die

Short/fast life history strategy

Have lot of kids fast in short amounts of time a lot die

Long slow life history strategy

Have kids slowly take a long time for each to grow fewer die

Neocortex

Executive in charge of making decisions neocortex ratio fraction of the brain that is neocortex

Social intelligence hypothesis

Greater intelligence was favored because it allowed brains to keep track of social dynamics of bigger groups

Flexible behavior hypothesis

Greater intelligence helped individuals solve new problems by inventing the new behaviors themselves and by being able to learn from others

Extracted foods

Foods that take complicating actions to get to

Third party relationships

between two other individuals, not directly involving the individual who knows about them

Theory of mind

Awareness that others minds are different from our own

Resource defense theory of sociality

Being in a group improves access to resources compared to being alone

Sociality

The degree to which individual tend to associate in social groups

Predation theory of sociality

Being in a group offers greater protection against predation

Evolution (pop genetics)

Change in allele frequency from one generation to the next