Darwinian View Flashcards
what percentage of americans believe in evolution?
40%
what percentage of europeans believe in evolution
80%
what are the reasons that people don’t believe in evolution
- religious beliefs
- evolution is too slow
- morally wrong use of the theory
how to combat religious beliefs
speak about why you don’t have to forsake your religious beliefs for evolution
also talk about how religion and evolution are in different realms
how to combat that combat that evolution isn’t fast enough
speak about how the iguanas and bacteria [see notes]
how to combat morally wrong use of the theory
essentially that just bc people used evolution for harm doesn’t make evolution itself inheriantly bad
steps to take when you are approached with a weird theory
- ask for evidence
- if the evidence adds up ask them to justify their acts
what should one never do in regards to a theory?
make it off limits
what are the parts of natural selection
- variation
- consequences
- heritability
Individuals vary in their traits (speed, height, shyness, boldness).
variation
Individuals possessing certain traits survive and reproduce
better than others.
consequences
Offspring resemble parents in these qualities.
heritability
what is true about natural selection
it can favor a trait but not create it
before natural selection what were the two ways that things were explained
mechanically or the supernatural
who is brighter female or male fish and why?
male bc females are more important and males try to impress the females to mate
what are two costly things to do
growing and reproducing
are upstream or downstream guppies bigger and why?
down stream because their predators are bigger.
what was important about the guppies experiment
when the researchers swiped the guppies they changed to match the environment
who connected the dots about the moth experiment and when
Kettlewell (1955)
what are three adaptive reasons for infanticide
- non-paternity
- lack of resources
- unfit
who is the poster child for non=paternity infanticide
lions
which lions stay in pack forever?
females (sisters)`
how many years does it take to reproduce and raise a cub
3-4 years
how long does a male lion stay with a pride usually
3-4 years
is it easier to add on or cut back to a pack
cut back
what is your success dependent on?
how many genes copies you donate
what are malformed offspring viewed as?
dead ends
what is the cinderella effect?
a step parent is 100x more likely to beat to death a step child.
what are cells called that don’t do their jobs?
cancer cells