2. For how long might you be blind if cane toad poison gets in your eyes?
(a) A few days.
(b) A few hours.
(c) Permanently.
(d) A few week.

3. What do Tizard and his partner hope to accomplish regarding cane toad eggs?
(a) Make them edible.
(b) Make them hard to swallow.
(c) Make them less abundant.
(d) Make the eggs impossible to fertilize.

4. What happened to an engineer in China who used CRISPR on a set of twins?
(a) He was exiled.
(b) He received the Nobel Peace prize.
(c) He was put under house arrest.
(d) He was given funding for more studies.

5. Fifteen million tons of carbon dioxide were released by humans in 1776, while today that number is closer to what?
(a) 40 billion tons yearly.
(b) 40,000 tons yearly.
(c) 40 trillion tons yearly.
(d) 40 million tons yearly.

6. What is it called to bring a species back from extinction?
(a) Frankenstein genetics.
(b) Genetic rebirth.
(c) Genetic resurrection.
(d) Genetic rescue.

7. How long would it take to turn carbon dioxide to stone?
(a) Hundreds of thousands of years.
(b) Several months.
(c) Hundreds of years.
(d) Several years.

8. In Into the Wild: Chapter 3, why does Kolbert begin with an explanation of the Norse god, Odin?
(a) To show the similarities between gods and humans.
(b) To compare him to the powers of nature.
(c) To compare him to the genetic-engineering company, Odin.
(d) To show how dangerous it is to play God.

9. What is Brodifacoum?
(a) A powerful cleaning and disinfecting product.
(b) A trap used to catch cane toads.
(c) An antibiotic used to heal sick animals.
(d) An anticoagulant used to kill mice.

10. What does Kolbert end the chapter wondering about all the burning trash, the acres of glass, the boxes of bumblebees, the vegetables raised on chemicals and captured carbon dioxide?
(a) How can she get involved?
(b) Are there other plants like this one?
(c) Was it all totally cool or totally crazy?
(d) How fast can this become reality everywhere?

11. What could be used if a gene drive goes rogue?
(a) A CRISPR sequence.
(b) A GOTCHA sequence.
(c) A ROGUE sequence.
(d) A CATCHA sequence.

12. What invention launched the Industrial Revolution?
(a) James Watt’s new steam engine.
(b) Eli Whitney’s cotton gin.
(c) Da Vinci’s flying machine.
(d) Karl Benz’s automobile.

13. What is NOT a reason given for why taking carbon dioxide out of a gas stream is difficult?
(a) It is expensive.
(b) It must be done on a massive scale.
(c) It is a challenging and dangerous technique.
(d) Disposal of large amounts of carbon dioxide underground would be tricky.

14. What are two species that Revive & Restore hope to resurrect?
(a) The passenger pigeon and the American chestnut tree.
(b) The dodo bird and the American chestnut tree.
(c) The dinosaur and the Woolley mammoth.
(d) The passenger pigeon and the dodo bird.

15. How many species of birds has the Pacific rat killed off?
(a) At least 100 species.
(b) At least 1,000 species.
(c) At least 10,000 species.
(d) None.