exam 1 Flashcards
what did darwin contribute ?
came up with the idea of evolution by natural selection-decent from modification
also common decent, which is the idea that species come from other species
wallace
developed the theory of natural selection
lamarck
proposed mechanism of evolution that allowed acquired traits to be passed to off-spring
malthus
wrote “an essay on the principle of population”
Linnaeus
created nested hierarchy of taxonomy
lyell
wrote “the principles of geology”
harvey and willis
pioneered comparative anatomy
fitzroy
captained the H.M.S Beagle
cuvier and anning
early paleontologists documenting extinction
sterno
proposed that “rocks” could be the remains of dead animals
hutton
geologist that proposed slow forces shaped the earth
paley
wrote “natural theology”
age of the universe
13.7 bya
age of earth and solar systems
4.6 bya
life begins
3.7 bya
multicellular life evolves
2.1 bya
animal life evolves (sponges)
650 mya
edicaran fauna and cambrian explosion
550 mya
paleozoic era
550-250 mya
plants, fungi, and then animals to land
500-400 mya
mesozoic era
250-65 mya
K-T mass extinction
65 mya
cenozoic era
65 mya- present
oldest homo sapien fossil
300,000 ya
