Wanderer or Neighbour?: teacher key

Mako Sharks, grade 10 edition, written for 10th grade. Do makos roam the open ocean or stay near home? Tags show where makos go and what they come back to.

Read the book. Print this page for the key.

Questions and answers

1. What do plastic dart tags NOT show?
   • Where it was tagged
   • When a mako moved and the route it followed (answer)
   • Where it was caught again
2. How much of their time did New Zealand tagged makos spend in New Zealand waters?
   • About 5 percent
   • None
   • A median of 77 percent (answer)
3. What two states did tagged New Zealand makos switch between?
   • Resident and Travel (answer)
   • Day and Night
   • Warm and Cold
4. Why does the 77 percent figure challenge the nomad view?
   • Makos never left home
   • Makos stayed mostly near one region (answer)
   • Makos were never tagged
5. Why is managing makos hard?
   • They are tiny
   • They stay in one bay
   • They cross many borders (answer)
6. Where do some female makos seem to return to give birth?
   • The same birthing and nursery sites (answer)
   • A river
   • A lake in Peru

Words

• thermocline: cooling layer
• nomadic: always moving
• Resident: staying put
• jurisdictional: legal area