How Scientists Study Morays: teacher key

Moray Eels, grade 10 edition, written for 10th grade. What scientists have learned about the moray eel's body, its two sets of jaws, its diet and its hunting partners.

Read the book. Print this page for the key.

Questions and answers

1. What did Mehta and Higgins do at Two Harbors?
   • They trapped, examined and tagged 462 California morays (answer)
   • They filmed a snowflake moray
   • They measured a zebra moray's bite
2. What is site fidelity?
   • A way of swimming backward
   • A kind of tooth
   • A tendency to be trapped repeatedly in the same location (answer)
3. What does a moray have in its throat?
   • A pair of fins
   • A shell
   • A second set of jaws (answer)
4. What did morays and groupers show when they hunted together in the Red Sea?
   • Both hunted less successfully
   • Only the grouper caught prey
   • Both hunted more successfully together than alone (answer)
5. What does the word 'durophagy' describe?
   • A kind of larva
   • A diet mainly of hard-shelled prey (answer)
   • A way of swimming

Words

• crevice: narrow crack
• suction: pulling force
• larva: young form
• durophagy: shell-eating
• vertebrae: backbone bones