Extinction at different
Causes of Extinction
Carrying Capacity of
Background v. Cataclysm
Extinction and Phylogeny
Biological Evolution: Unit 3.6 Student Learning Outcomes
What is the ultimate cause of extinction?
30:50 Extinction is not bad unless it gets out of control. It is a healthy part of the ecosystem you
get turn overs.
44:25~ The ultimate cause they failed t
Biological Evolution: Unit 4.4 Student Learning Outcomes
*What conditions would lead to a selective advantage for altruism?
Cooperation(~19min)- Male vs females working to do something, or a pack working together
members of the same species.
What is the
Biological Evolution: Unit 4.3 Student Learning Outcomes
Be familiar with the examples and describe the types of behaviors that are affected by this.
Intersexual Selection The females are deciding(doing the choosing) who they are going to
Biological Evolution: Unit 4.1 Student Learning Outcomes
Ethology- study of animal and sexual behavior. Complex discipline.
What are the benefits of sex?
Asexual or sexual reproduction depends on environment as to which one is the best one.
What are the c
His reading over the summer of 1827, and his trouble with medical school, seem to have
convinced Darwin that the life of a country parson was the life for him. He decided to go to
the University of Cambridge to study for the clergy. There, unlik
After reaching Falmouth on October 2, 1836, Darwin rushed home to Shrewsbury to see his
family. He arrived late in the evening and snuck into his room to sleep for the night. In the
morning his family was shocked and pleased when he joined them
The Last Years
In the 1870's, the support for evolution came under attack from several directions. Alfred
Russell Wallace, the co-discoverer of evolution, had started to argue that humanity was
exempt from evolution and that there was mystical guiding for
Darwin had cataloged and described all of the species collected on his Beagle trip except
one: a barnacle. Darwin felt that he should establish himself as an expert on one species
before daring to make generalizations about all of them. His grow
After the Origin
When the The Origin of Species was published, Darwin carefully sent copies to all of the
scientific leaders of his day, both those he thought would hate the book and those he hoped
would love it. In all of his accompanying letters he was
The Voyage of the Beagle Part III
The Galapagos Islands were formed by the eruption of volcanoes. Darwin was shocked at
the broad expanses of black, hardened lava, and by the wildlife he saw living on it. Volcanic
cones dotted the landscape. Scurrying or
The Voyage of the Beagle, Part I
The offer of a position on the Beagle, which Charles received on August 30, 1831, came
through his advisor, Henslow, at Cambridge. Henslow himself had been invited to be the
naturalist for the ship, but had turned down the
Voyage of the Beagle Part II
At the beginning of the voyage of the HMS Beagle, Darwin was almost incapacitated with
nausea. He swung miserably in his hammock in the small cabin he shared with several of the
ship's officers or hung by the rail of the ship.
The Origin of Species
Darwin turned wholeheartedly to the problem of evolution. Ever since his Beagletrip he had
been convinced that the difference between what naturalists called 'varieties' and what they
called 'species' was much less significant than p
Darwin began his schooling as a physician in Edinburgh in 1825, at the age of 16. His father,
Robert, and grandfather Erasmus had both been physicians, and both had been trained at
Edinburgh. They chose Edinburgh because it had a larger and stro
Charles Darwin was born on February 12, 1809. His father's connections and well- paying
job as a physician, and his mother's connection the Wedgwood family, placed the Darwin
family securely in the realm of the liberal and well-off. Robert Darwi