Anne’s Quiz #29

Sharks

My daughter is working on a hyperstudio project for school. Her chosen subject is sharks, so I thought I'd do a quiz on them in her honor.

1. Which is the largest living fish?: a) Great White Shark; b) Whale Shark; c) Tiger Shark; d) Megamouth Shark

2. What provides buoyancy for sharks?: a) a large liver; b) a swim bladder; c) pockets of air under their skin; d) nothing

3. How do sharks reproduce?: a) They lay an egg case, known colloquially as a 'Mermaid's Purse'.; b) They lay their eggs internally; the embryos feed off the yolk sac, and are born live.; c) They lay their eggs internally; when the yolk sac runs out, the embryos draw extra nourishment from uterine milk.; d) all of the above

4. How fast can the fastest shark swim?: a) less than 5 mph; b) 7-10 mph; c) 12-18 mph; d) greater than 20 mph

5. Which of these groups developed before sharks?: a) dinosaurs; b) homo sapiens; c) flowering plants (angiosperms); d) cockroaches

6. What is special about shark teeth?: a) Once lost, they can't be replaced.; b) They are actually fins, specially strengthened to function as teeth.; c) They are replaced conveyor-belt style, moving to the front from the back, instead of one-on-one, like humans do.; d) Shark pups can't grow teeth until they are 2 months old.

7. Which of these creatures is also considered a shark?: a) skates; b) electric rays; c) stingrays; d) all of the above

8. Where does the Polkadot Batfish get its name?: a) It's shaped like a bat and covered with dots.; b) It moves like a bat and the person who first identified it was wearing polkadots.; c) It's nocturnal and schools of them look like polkadots in shallow water.; d) No one knows.

9. In the United States, what is the relative risk of being killed by a shark compared to being killed by lightning?: a) the same risk for both; b) lightning is much more dangerous; c) sharks are much more dangerous; d) no one is killed by either lightning or sharks

10. Which city has an NHL team called The Sharks?: a) Toronto, Ontario; b) Seattle, Washington; c) Portland, Oregon; d) San Jose, California

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quiz 29 created 2-11-02