Growing Up in Stages: teacher key

Baby Animals, grade 4 edition, written for 4th grade. A monarch goes from egg to caterpillar to butterfly. A tadpole trades its gills for lungs. Follow the stages of growing up.

Read the book. Print this page for the key.

Questions and answers

1. What do monarch caterpillars eat?
   • Only milkweed (answer)
   • Any plant
   • Only eggshells
2. What does a tadpole grow as it changes into a frog?
   • Lungs (answer)
   • A shell
   • Wings
3. What is the best thing to do for a fledgling hopping on the ground?
   • Take it home
   • Leave it alone (answer)
   • Put it in water
4. How long does a joey keep drinking its mother's milk?
   • About a day
   • About a week
   • About 10 to 12 months (answer)
5. A monarch goes through egg, larva, pupa and adult. What is that called?
   • Complete metamorphosis (answer)
   • A fledgling
   • An egg tooth
6. What does molting mean here?
   • Shedding skin (answer)
   • Hanging upside down
   • Finding the sea

Words

• chrysalis: butterfly's resting case
• molting: shedding skin
• fledgling: young bird
• metamorphosis: big body change
• hatchlings: newly hatched babies