evolution Flashcards
test (79 cards)
the process by which modern organisms have descended from ancient organisms
evolution, or change over time
who was charles darwin
a naturalist, and founder of evolutionary theory
During his travels he made numerous ___________________ and collected _______________
observations; evidence
his most important observations were found in the…
galapagos islands
He returned to England in _____ and spent ________ years studying his collections.
1836; 22
he found ______________________________________ in a Brazilian forest.
68 different species of beetles
He was puzzled by why a grassland in _________ and a grassland in __________ would have very different animals living in them.
Australia, Argentina
No rabbits in _____________________ and no Kangaroos in ______________________.
Australia; Argentina
He collected _______________ some of which resembled living organisms
fossils
some that looked like organisms __________________________________________________________________.
he had never seen
he envisioned
struggles for food and space, escape from predators, need for shelter among species of the world
Darwin noticed the _______________ islands were close together but had very different ____________
Galapagos; plants and animals
He wondered if animals living on different islands had all come from a ___________ ______________
common ancestor
He was very fascinated by the land _______________ and marine _____________.
tortoises; iguanas
He also collected many ground ______________ and noticed they all had different ________________.
finches; beaks
He wondered if animals living on different islands had once been members of the same _____________________.
species
Darwin was influenced by great _________ of the time that were challenging views about the ____________ world.
thinking; natural
1785
hutton
1798
malthus
1809
lamarck
1831
darwins voyage
1833
lyell
1858
wallace
1859
origin of species published