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Flashcards in Chapter 15 Deck (17)
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1

A well supported explanation of phenomena that have occurred in the natural world

Theory

2

True or False: Charles Darwin contributed more to our understanding of evolution than anyone else

True

3

Charles Darwin

Born in 1809, an English naturalist, took a voyage that lasted 5 years around the world

4

Where are the Galápagos Islands

West of north South America

5

True or False: Darwin was looking for a scientific explanation for the diversity of life on Earth

True

6

What are some observations of Darwin

An enormous number of species inhabit Earth, some species that lived in the past no longer live on Earth

7

What are the preserved remains of ancient organisms

Fossils

8

True or False: Of all the Beagles's ports of call, the one that influenced Darwin the most was the Galápagos Islands

True

9

Galápagos Islands

Higher islands have more rainfall

10

How did Darwin explain differences in she'll shape of tortoises form Hood Island and Isabela island

Hood- long neck, curved shell
Isabela- dome shaped shell, shorter neck

11

Darwin observed that small brown birds on the Galápagos Islands differed in the shape of...

Beaks

12

What did Darwin think about on his journey home to England

How the different characteristics of plants and animals varied from island to island

13

After he returned to England, what hypothesis did Darwin develop to explain his findings

Separate species evolved from a similar ancestor after being isolated on different islands

14

Who were the two scientists who helped Darwin and others recognize how old the Earth is

Hutton and Lyell

15

What are some ideas of James Hutton

Layers of rock are moved by forces beneath Earth's surface, most geological processes operate extremely slow

16

What is true about Lyell's work

His work explained how awesome geological features could be built up or torn down over long periods of time, his publications helped Darwin appreciate the significance of the geological phenomena that he had observed, that scientists must explain past events in terms of processes that they can actually observe

17

The process by which modern organisms have descended from ancient organisms

Evolution