Darwin Flashcards
Are most animals vertebrae or invertebrae?
invertebrae
What is the smallest group of animals?
mammals
What journey did Charles Darwin make?
5 year voyage on the H.M.S Beagle in the southern hemisphere
Where were most of Darwin’s notes from?
South America
Where did Darwin’s most significant notes come from?
Galapagos Islands
What did Darwin notice about the Finches on the Galapagos Islands?
different beak shapes
What is arithmetic (population) progression?
regular increase in the population
What is geometric (population) progression?
rapid increase in the population (seen by a quick curve up)
Which (population) progression happens with humans?
geometric
What did Charles Darwin discover?
- he came up with the idea that the environment plays a role on if something will become a species or will cause species to diverge
- evolution by natural selection
What other scientist theorized evolution, independently, at the same time as Darwin?
Alfred Russell Wallace
What is natural selection?
“survival of the fittest”, meaning being able to survive and pass on genes
What was Darwin’s 1st Postulate?
all organisms reproduce more offspring then can survive, causing struggle for survival
What was Darwin’s 2nd Postulate?
individual members of a species vary from one to another
What was Darwin’s 3rd Postulate?
some variants will survive (selected for), and some will be destroyed (selected against)
