Life Cycles of Animals — Answer Key
Part A: Trace the Words
Trace each life cycle word by following the dotted lines.
1. egg
2. larva
3. pupa
4. adult
Part B: Fill in the Blank
Write the missing word on the line.
1. A butterfly starts its life as a tiny egg.
A butterfly starts its life as a tiny egg that the mother butterfly lays on a leaf.
2. A caterpillar wraps itself in a chrysalis before becoming a butterfly.
A caterpillar wraps itself in a chrysalis, which is a hard shell where it changes into a butterfly.
3. A frog begins life as a tadpole that swims in water.
A frog begins life as a tadpole that swims in water and breathes with gills.
4. The stages an animal goes through as it grows are called a life cycle.
A life cycle is the series of stages an animal goes through from birth to adulthood.
5. A baby caterpillar hatches out of its egg.
A baby caterpillar hatches out of its egg and begins eating leaves right away.
Part C: True or False
Read each sentence. Circle True or False.
1. A butterfly goes through four stages in its life cycle.
True False
True — A butterfly goes through four stages: egg, caterpillar (larva), chrysalis (pupa), and adult butterfly.
2. A tadpole is a baby bird.
True False
False — A tadpole is a baby frog, not a baby bird. A baby bird is called a chick.
3. All animals start life as an egg.
True False
True — All animals begin life as an egg, though some eggs develop inside the mother's body.