CLASS WORK/HOMEWORK

Directed Reading Worksheets: Chapter 4

NOTES

Sept. 10/11

Oct. 19/20

Oct. 30

Nov. 2/3

Nov. 4/5

BOARD WORK:

1) Suppose that an island in the Pacific Ocean was recently formed by a volcano. Over the

next million years, how might species on this island adapt?

2) Suggest an organsim other than an insect that might develop an adaptation to human activities.

3) How might the use of a newly developed insecticide technology impact society?

4) Rubidium-87 is an unstable atom that scientists use to date rocks that are more than

10-million years old. The half life of Rubidium-87 is approximately 49 billion years. How

much Rubidium-87 would remain in an object (what percentage) that is 147 billion years old?

5) Carbon-14 has a half-life of 5,730 years. How old is a human leg bone in which 50% of the

carbon-14 has decayed?

HANDOUTS

VOCABULARY

Chapter 4

Chapter 5

Chapter 6

STUDY GUIDES

Chapter 4