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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters III-IV.

Multiple Choice Questions

1. When did Walter Alvarez visit the Gola del Bottaccione?
(a) Early 1970s.
(b) 1964.
(c) 1978.
(d) Late 1970s.

2. Where did golden frogs lay their eggs?
(a) Sand dunes.
(b) River banks.
(c) Shallow caves near creeks.
(d) Shallow running water.

3. What did Luis Alvarez decide to use to clock the clay in Gola del Bottaccione?
(a) Plutonium.
(b) Uranium.
(c) Iridium.
(d) Radiometrics.

4. What type of frog can live in the Australian desert?
(a) Wood frog.
(b) Sandhill frog.
(c) Tree frogs.
(d) Spring peppers.

5. Where was the first clue discovered as to what was killing off frogs around the world?
(a) National Zoo in Washington D.C.
(b) Scientific expedition to Chile.
(c) San Diego Zoo.
(d) Scientific expedition to Brazil.

Short Answer Questions

1. When were the golden-frogs in Sante Fe, effectively wiped out?

2. When did Cuvier give the "mastodonte" its name in a paper he published?

3. When was the Alvarezes' paper "Extraterrestrial Cause for the Cretaceous-Tertiary Extinction" published?

4. What did the call of the horned marsupial frog sound like?

5. What was the modern day name for the island where explorers once found auks?

(see the answer key)

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