Chapter 11
: Evolution and behavior
innate
Hard to overcome
INSTINCT
inherited
GENES
like hair. Reproductive
SUCCESS
fitness. Will roll other
objects
, nest on mulch.
Mandarin ducklings jump from tree
: imprint on mom (BBC Planet Earth)
prepared_learning
Instincts not
PERFECT
but don't fear
LIZARDS
or flowers; aping=imitation/mimic
altruism
non-Darwin; rabbits are selfish, but suppose fastest do not reproduce?
Giant Pacific Octopus altruistic behavior
: she starves to death (27:35)
BBC-Life
CreaturesOfTheDeep 27:35 Octopus dies protecting eggs
kin_selection
Most callers are
female
with close kin, like meerkat Timon.
kin relatedness
intrasexual_selection
Discuss
INTRASEXUAL
male competition 1st.
Australian Giant Cuttlefish
cross-dressing "cuckold" sneakers (25:10)
BBC-Life
CreaturesOfTheDeep/#23:30 Australian Giant Cuttlefish sneaks impersonate
reproductive_investment
Drosophila
DOZENS
eggs. Penguins equal investment.
INVEST
commit assets/resources for future benefit; mammal
MILK
invest.
mate_guarding
BBC-LifeInTheUndergrowth/1.2_TakingToTheAir/#10:45
Damselflies chastity belt; Argia moesta=Powdered dancer
Bullfrog dad
shows parental care
Queen bee's wedding flight
: phallus from drone is ripped out
Honey bee aerial mating (10:00)
intersexual_selection
1. Grebe courship also 3.
NUPTIAL
gift. 2. Marmot territories e.g. damselfly breeding.
Peahen
fly out of
BROOKFIELD
Clark's Grebe
: nuptial gift and courtship
QH 501.L544 Life/Birds
34:30 Clark's Grebe crop, 39:50 Vogelkop Bowerbird.
Intersexual selection
: Vogelkop Bowerbird seduction (BBC Life - Birds)
Intersexual selection
: Caspian Terns mating (cloacal kiss)
mate_selection
Scudderia (Bush Katydid). 50 pounds of human semen; note ovipositor!
Bush cricket (katydid) mating
: sperm removal, then spermatophore (nuptial gift)
Katydid courtship
: females eat spermatophore
mating_systems
Elephant seal males
INTRASEXUAL
selection! can self-fertilize HERMAPHRODITE
peas.
Slugs are snails, snakes are lizards (ch08)
Hermaphrodite leopard slugs
mating in midair
leopard slugs
sexual_monomorphic
SAY
Nazca Boobie here, are
HUMANS
monomorphic/monogamous? Yes if naked.
sexual_dimorphic
Xtra
CREDIT
sexual dimorphism birds.
Elephant seal beachmaster
: size matters
BBC-LifeInTheFreezer/#2:30
508.989 LIF
Elephant seal beachmaster (circulation desk)
communicate
balloonfish=puffer. Silkworm mulberry cannot fly; roar 5 miles. Visual unlimited range.
Silkworm moths mating
: they can no longer fly to find a mate in the wild
Oxytocin
: the "cuddle chemical"
BBC-LifeInTheUndergrowth/2.1_IntimateRelations/
23:35 Blister Beetle larvae pheromone attract bee
27:50 Botfly uses housefly to carry eggs
waggle_dance
WAGGLE=wag side-side, not twerking.
Honey bee waggle dance
: visual and mathematical communication
Honey bee waggle, aerial mating (10:00)
New Caledonian Crow
uses meta-tool (PBS Nature "A Murder of Crows") 18:30-20:05
'007′ the Crow
solves 8-step puzzle
===
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