Life Cycles of Animals — Answer Key
Part A: Trace the Words
Trace each word carefully by following the dotted lines.
1. egg
2. larva
3. pupa
4. adult
5. cycle
6. grow
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A butterfly starts as a tiny egg.
A butterfly life cycle begins with a tiny egg. The mother butterfly lays it on a leaf so the baby has food when it hatches.
2. A caterpillar is also called a larva.
A caterpillar is the larva stage of a butterfly. Scientists call it a larva because it is a young form that will change shape later.
3. A frog starts life as a tadpole.
A frog begins its life as a tadpole swimming in water. The tadpole will slowly grow legs and become a frog.
4. Baby chicks hatch from an egg.
Baby chicks develop inside eggs. The mother hen keeps the eggs warm until the chicks are ready to break out.
Part C: True or False?
Read each statement. Circle True or False.
1. A caterpillar turns into a butterfly.
True False
True. A caterpillar changes into a butterfly by going through the pupa stage inside a chrysalis.
2. Frogs start life as birds.
True False
False. Frogs do not start life as birds. They start as tiny eggs in the water that hatch into tadpoles.
3. All chickens hatch from eggs.
True False
True. Every chicken begins inside an egg. The chick grows inside the egg and then hatches out.