ch 17 bio

Question 1

Who developed the accepted Theory of Evolution?

Answer 1

Charles Darwin

His ideas were primarily shaped during his voyage on The HMS Beagle.

Question 2

What was the name of the book written by Charles Darwin?

Answer 2

The Origin of Species

This book outlines his theories on evolution.

Question 3

What significant evidence did Darwin present regarding life?

Answer 3

Life is unified by a common ancestor, yet different due to evolution of traits through generations.

Question 4

What year did Darwin embark on his voyage on The HMS Beagle?

Answer 4

1831

Question 5

What are the three main observations from Darwin’s voyage?

Answer 5

• Species vary globally
• Species vary locally
• Species vary over time

Question 6

Give an example of species that vary globally.

Answer 6

Ostrich (Africa) and rhea (South America)

These species are similar yet adapted to their respective environments.

Question 7

What does it mean for species to vary locally?

Answer 7

Species differ within a close area

Examples include Anole lizards, finches, and tortoises.

Question 8

What evidence supports the observation that species vary over time?

Answer 8

Fossil record proves changes over time.

Question 9

What are the two types of fossil examples mentioned?

Answer 9

• Body fossils
• Trace fossils

Question 10

What is a body fossil?

Answer 10

Whole portions preserved, such as tree sap (amber) trapping organisms, bones, petrified wood, ice.

Question 11

What is a trace fossil?

Answer 11

Evidence of being, not physically there

Examples include molds and casts.