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Title: The Theory and Mechanism of Evolution; Charles Darwin and Wallace
Description: These notes talk about the theory of evolution. There is also information about Charles Darwin's relevant history about his discovery of observations on species. Observations he made are stated within these notes.
Description: These notes talk about the theory of evolution. There is also information about Charles Darwin's relevant history about his discovery of observations on species. Observations he made are stated within these notes.
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The Theory and Mechanism of Evolution; Charles
Darwin and Wallace
There are 1
...
7
million is the new estimated total number of species on Earth
...
6
...
2 million in the sea
...
By the 19th century, scientists were beginning search for a mechanism which might
explain how this could have happened
...
Darwin’s Story
In 1831, Darwin was 22 years old when he sailed on the HMS Beagle
...
On Galapagos
Islands, he saw species similar to the South American continent
...
In 1836, Darwin returned home
...
Darwin made Several Observations
1
...
2
...
3
...
(We now know that these variations are due to random
mutations in genes that occur during cell division
...
These characteristics (genes/alleles) are passed down (inherited) by offspring
...
(e
...
water, food)
- Since only some offspring survive, individuals must exist who possess
characteristics that better suit their environment
...
- As such, these favourable alleles and characteristics will gradually become more
common through successive generations
Title: The Theory and Mechanism of Evolution; Charles Darwin and Wallace
Description: These notes talk about the theory of evolution. There is also information about Charles Darwin's relevant history about his discovery of observations on species. Observations he made are stated within these notes.
Description: These notes talk about the theory of evolution. There is also information about Charles Darwin's relevant history about his discovery of observations on species. Observations he made are stated within these notes.