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Study Guide: Biology Test Chapter 15.1, 15.2, and 24.2
The test on Monday, April 29 will cover the vocabulary words and questions listed in this study guide. The
test may or may not cover all of them, but to be prepared for the test it will be in your best interest to know
all of the terms and be able to answer all of the questions without using your notes. All key terms and
answers to questions can be found in the notes we took as a class, as well as in other class activities and lab
If you can define all the Key Terms and answer all the Big Questions you will get an A on the test.
If you have any questions while you are studying, call you study buddy or another classmate! If you are
really stuck email Ms. Mac: [email protected]
Define the Key Terms:
Artificial Selection (Chap. 15.1)
Natural Selection (Chap. 15.1)
Mimicry (Chap. 15.1)
Camouflage (Chap. 15.1)
Homologous Structure (Chap. 15.1)
Gene Pool (15.2)
Allelic Frequency (15.2)
Genetic Equilibrium (15.2)
Genetic Drift (15.2)
Stabilizing Selection (15.2)
Directional Selection (15.2)
Adaptive Radiation (15.2)
Divergent Evolution (15.2)
Convergent Evolution (15.2)
Reproductive Isolation (15.2)
Polyploidy (15.2)
Gradualism (15.2)
Punctuated Equilibrium (15.2)
Disruptive Selection (15.2)
Speciation (15.2)
Geographic Isolation (15.2)
Petal (24.2)
Stem (24.2)
Sepal (24.2)
Stamen (24.2)
Anther (24.2)
Pistil (24.2)
Ovary (24.2)
Big Questions: be able to answer them without notes or book!
Chapter 24.2:
1. Which part of the plant is the reproductive structure?
2. What are the parts of the male reproductive structure in a flower?
3. If the pistil is removed from a flower, what will the flower no longer be able to produce?
4. When an apple seed is planted, an apple tree grows after many years. What are the steps in the
cycle that produces new apple fruit?
5. Be able to label the diagram of a flower with the terms: petal, stem, ovary, stigma, sepal, stamen,
anther, pistil
Chapter 15.1:
1. Who is Charles Darwin and what is his theory about natural selection?
2. Explain how mimicry and camouflage help species survive
Chapter 15.2:
1. A plant that entirely self-fertilizes arrives on an island. Eventually this plant evolves into two
different species. How is this most likely to occur?
2. Bacteria were collected and put on a food source but the food source also contained a type of
chemical, which kills bacteria. After three days, there was only one spot of bacteria on the food source;
evidence that a few bacteria have survived the toxin, while the rest died out. Why did only a few of the
bacteria survive?
3. How can geographic isolation change a population’s gene pool?
4. Why is rapid evolutionary change more likely to occur in small populations?
5. Hummingbird moths are night-flying insects whose behavior and appearance are similar to those of
hummingbirds. Explain how these two organisms demonstrate convergent evolution.
Rachael Machiele-Oram 2013