creation and evolution

H.M.S. Beagle that sailed on a 5 year expedition

Charles Darwin sailed on the

Galapagos Islands, South America

one of the locations that Darwin visited on his expedition was

finches

Darwin collected many types of

all the birds were similar except for their beaks. he hypothesized that a few birds must have migrated from the mainlands and adapted to the diffrent island enviroments

what did Darwin discover and hypothesize about the finches

uniformitarism ex: canyons, mountains, etc.

small changes over long time periods

Hutton and Lyell

who came up with uniformitarism

Jean Baptiste Lemark

one of the first scientists to discover that living things have changed over time

changing in order to reach perfection

bodies principle of use and disuse

acquired characteristics inherited

3 ideas behind Jean Baptiste Lemark’s theory of evolution

1- All organisms are continually _

2- Organisms can alter their _ by __

3- _ could be _

Thomas Malthus

he stated that if the human population continued to grow, sooner or later there would not be enough resources for everyone

Alfred Russel Wallace

Darwin was forced to publish his work after who came up with similar ideas

On the Origin of Species

what of darwin’s work stirred up controversy worldwide

natural selection

process by which organisms change over time (survival of the fittest)

struggle for resources some organisms die

how well it is adapted to its environment . Nature selects which individuals will live—-/(natural selection)

organisms that are different from their ancestors descent with modificaiton

natural selection

1- when organisms compete for organism there is a _, which means

2- the ability of an organism to survive well results in

3- Over long periods of time, natural selection produces _, this is called

descent modification

over time natural selection produces organisms that are different from their ancestors