Grip, Tear and Strain: teacher key

Leopard Seals, grade 11 edition, written for 11th grade. A leopard seal has teeth for gripping prey and teeth for straining krill. Read how scientists measured its diet and how they follow young seals.

Read the book. Print this page for the key.

Questions and answers

1. What kind of feeding is the leopard seal the only living phocid to use?
   • Only filter feeding
   • Grazing
   • Grip and tear feeding (answer)
2. What did researchers at Taronga Zoo find leopard seals can do?
   • Sing in a choir
   • Suck small pieces of food into the mouth (answer)
   • Dig tunnels
3. What made up about 31.7 to 38.0 percent of spring diets at Cape Shirreff?
   • Penguins
   • Fur seal pups
   • Antarctic krill (answer)
4. A leopard seal has teeth for gripping and teeth for straining krill. What does this suggest?
   • It can feed in more than one way (answer)
   • It only eats one food
   • It never uses its teeth
5. What does austral mean in: in austral spring?
   • Very cold
   • Southern (answer)
   • Early

Words

• phocid: a true seal
• incisors: front teeth
• austral: southern
• immature: not grown up