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Lesson 10.1 Vocabulary 1

Across
The Galapagos Islands are known for having giant __________ with differently shaped shells.
Ship on which Darwin served as a naturalist
In 1831, Darwin set sail on a scientific expedition on a ship called the HMS __________.
Small volcanic islands where Darwin made many important observations
Selecting plants and animals with useful traits
Developed a theory of evolution at the same time as Darwin
Darwin was fascinated by __________.
His theory of evolution unifies all of biology
The Galapagos Islands are made up of 16 small _________ islands 966 kilometers off the west coast of South America.
The _________ Darwin found helped convince him that species change over time.
Said that earth must be far older then most people believed
Down
Changes in a species over time
Darwin proposed that _________ selects the variations in organisms that are most useful.
Argued that human populations grow faster than the resources they depend on
The process by which evolution occurs
He dug up fossils of gigantic ________ mammals, such as the ground sloth.
Inheritance of ________ characteristics- states that traits an organism develops during its own life time can be passed onto offspring
An organism's relative ability to survive and produce fertile offspring
Darwin was influenced by his knowledge of artificial________.
One of the first scientists to propose that species can change over time
The voyage of the Beagle took 5 _______.
Argued that gradual geological processes have gradually shaped Earth's surface