BiologyThe Living Science

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Chapter 10

• A Daring Voyage.

– Evolution – a collection of facts, observations, and hypothesis about the history of life.

– Evolution means a change over a period of time.

– In late December 1831, the research ship HMS Beagle set sail from England for a five-year cruise around the world.

Pieces of the Puzzle

• Wherever then beagle went, Darwin collected plants and animal specimens.

• Living Diversity

– Darwin called the variety of living things the diversity of life, or living things the diversity.

Plants and Animals

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Fossil Diversity

• Darwin collected bones and other traces of ancient organisms.

– Since Darwin’s time researchers have uncovered the fossilized remains of many more unusual creatures.

Fossils

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Adaptations

• Adaptation – are found at every level of biology – from cell chemistry to animal behavior.

• Biologist use the world adaptation to describe physical behavioral traits that enable organisms to survive.

The Galapagos Islands

• The Beagle visited so many different places that the captain’s log filled several books.– Peculiar Creations – Darwin fascinated by the

Galapagos wildlife, especially land tortoises and marine iguanas.

Island