Biology 11
A1.8
Identify the role of extinction in evolution.
Modern Biology, Towle, Teacher’s ed.
p. 249
Read “Extinction” on pages 249 and 250.
Biological Science: An Ecological Approach, 7th ed.
p. 571
Read page 571.
Inquiry into Life, 10th ed.
pp. 540 – 541
Read pages 540 and 541. Note the role of extinctions as listed in Table 27.1.
Inquiry into Life, 7th ed.
pp. 516 – 517
Read pages 515 and 516. Note the role of extinctions as listed in Table 27.1.
Questions
Use reference materials to answer the following questions:
1. What is extinction?
2. Is extinction a rare event in Earth's history? Support your answer.
3. What is the effect of extinction on evolution? Defend your answer.
Answer Key
(© 2004. C.K. Robinson, Summerland Community Learning Centre, School District No. 67)