Show:
All About Darwin
The Voyage
The Evidence
Before Darwin
Definitions
100
Charles Darwin proposed what theory?
The theory of Evolution
100
The voyage lasted how many years?
5
100
What are the four areas where evidence for evolution can be found?
Fossil record, homologous structures, embryology, geographic distribution
100
In the past, what would have had a heavy influence on the scientists and the ideas that they proposed?
Religion
100
Any inherited characteristic that increases fitness.
Adaptation.
200
The year Charles Darwin was born
1809
200
What was the name of the ship that Darwin set sail on in 1831?
The HMS Beagle
200
Define what Darwin meant by embryology.
The early stages, or embryos, of many animals with backbones are very similar.
200
Who was it that gave Darwin the incentive to publish his book On the Origin of Species?
Alfred Wallace
200
The ability of an individual to survive and reproduce in its specific environment
Fitness
300
How many years after his voyage did Darwin publish his book On the Origin of Species?
23 years
300
When Darwin studied the finches, what did he conclude?
He concluded that there was a variety of species on all of the islands, but that there was a common species that occurred on all of the islands.
300
What are homologous structures?
Structures that have different mature forms but develop from the same embryonic tissues.
300
What did Thomas Malthus propose?
That war, famine, and disease limit population growth.
300
The idea that features are inherited depending on the current local environment that gives an advantage to survive and reproduce.
Natural selection.
400
Charles Darwin was an English _______
Naturalist
400
Who was John Henslow?
The professor who is responsible for Darwin participating in the voyage to the Galapagos Islands (and other places too)
400
What are vestigial organs?
Organs so reduced in size that they are just traces of homologous organs in species.
400
Who are the two scientists that helped Darwin recognize how old Earth is?
Hutton and Lyell
400
Every living species descend, with changes, from other species over time.
Descent with modification.
500
How old was Darwin when he began his voyage?
26
500
What did Darwin think about on his journey home?
The different species he saw and the variation among them.
500
How does natural selection explain our complex structures?
By many major evolutionary changes where ancestral structures were reused and modified by natural selection during evolution.
500
Who presented the first theory to explain how evolution happens?
Jean-Baptiste Lamarck
500
When humans select the most desirable traits and breed them.
Artificial selection