Life Cycles of Animals — Answer Key
Part A: Trace the Words
Trace each word carefully by following the dotted lines.
1. egg
2. pupa
3. adult
4. grow
5. cycle
6. larva
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A pupa is wrapped in a cocoon.
A pupa rests inside a cocoon, a soft case that protects it while its body slowly changes into a butterfly.
2. A tadpole will grow into a frog.
Tadpoles live in water and slowly grow legs and lose their tails until they become frogs that can hop on land.
3. A hen sits on her eggs to keep them warm.
Eggs need warmth so the baby chick inside can grow, so the hen sits on them to keep them warm until they hatch.
4. A caterpillar eats lots of leaves.
Caterpillars are very hungry and chew on leaves all day to get the energy they need to grow big and become butterflies.
Part C: True or False?
Read each statement. Circle True or False.
1. A tadpole has legs when it is born.
True False
False. A tadpole is born without legs and swims with its tail; legs grow in later as it changes into a frog.
2. A butterfly comes out of a cocoon.
True False
True. A caterpillar wraps itself in a cocoon, rests as a pupa, and then comes out as a butterfly.
3. Eggs need warmth to hatch.
True False
True. The baby inside an egg needs warmth to grow, which is why parent animals sit on or guard their eggs.