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Who prompted Darwin to publish?
Wallace
Geologists who suggested the earth was millions of years old
Hutton and Lyell
The idea that the processes changing out earth today are the same ones changing our earth in the past is by
Lyell
The idea that layers of rock change and form over time is by
Hutton
Characteristics of Vestigial structures
reduced in size, not in use today, have lost an ancestral function
Homologous features are due to…
species sharing a common ancestor
Characteristics of fossils
10,000 years old, preserved or impressed part of living things, made of rocks, minerals or fossilized tree resin
Evolution
Change over time
Fossil
preserved remains of ancient organisms
Book of Geology
By Lyell in 1830 that Darwin took on the boat
Where did Darwin not visit?
Antartica, Asia, North America
Africa
Ostrich
s.America
Rhea
Australia
Emu
What did different beaks suggest?
finches had different food and diets
Isabela Island Tortoise
short neck
Hood Island Tortoise
long neck
2 ways geology influenced darwin
since earth could change over time, he thought living things could too. since the earth was old, there is enough time for change to have occured
Lamarck theory of evolution
Inheritance of Acquired traits
Lyell thought processes occurred slowly
true
smallest group that can evolve
population
Inheritance of Acquired traits
Lamark thoughts that organisms could gain or lose traits within their lifetimes and that their offspring would have the same traits as them when born
Malthus
human population continues growing so soon there won’t be enough resources
what variation causes artificial selection
nature