Page 129 - Science Course 3 (Book 1)

Mo3-L3: Lesson Review Quiz (Matching)

Direction: On the line before each definition, write the letter of the term that matches it correctly. Each
term is used only once.

1. body parts that are similar in structure and position but A. vestigial structures
different in function
B. analogous structures
2. body parts that have lost their original function through C. homologous structures
evolution
D. embryology
3. body parts that are similar in function but different in structure E. molecular biology
F. comparative anatomy
4. study of the similarities and differences among structures of
living species

5. study of gene structure and function

6. study of embryos from fertilization to birth

Mo3-L3: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question, write the letter of the correct answer

7. Which statement is NOT a theory about how change occurs in species?
A. Change happens in quick bursts.
B. Change happens in a slow, steady way.
C. Change happens only when a species becomes extinct.

8. Why is the formation of new species difficult to study?
A. Species formation occurs too rapidly to be observed.
B. The fossil record of species formation is incomplete.
C. Evidence of species formation has not been discovered.

Direction: Respond to each statement on the lines provided.

7. Describe two differing scientific ideas about the rate at which species change.

8. Identify two reasons that species formation is difficult to study.

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