History of Life Entry Ticket #2

Put the following Eras from the Geological Time Scale in order from most ancient to most recent.

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Match the following images with the correct category.

Groups:

(a) Homologous Structures

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(b) Vestigial Structures

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(c) Fossils

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(d) Embryology

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Scientist do not think man evolved from monkeys, but that monkeys and humans might have a ____________________.

• similar offspring

• common ancestor

• evolutionary bias

• alien origin

Scientists believe that the Earth was formed ​ (a)   , and thatlife on Earth formed ​ (b)   .

• 3.5 billion years ago
• 4.6 billion years ago
• 2 million years ago
• 245 million years ago

The mechanism that causes evolution is ​ (a)   .

• natural selection
• biogeography
• vestigial structures
• homologous structures