Animal Groups — Answer Key
Part A: Trace the Words
Trace each word carefully by following the dotted lines.
1. mammal
2. tail
3. nest
4. claw
5. fin
6. paw
Part B: Fill in the Blank
Write the missing word or number on each line.
1. Birds build a nest for their eggs.
Birds make a nest out of sticks and leaves to keep their eggs warm and safe.
2. Fish have fins to help them swim.
Fish push through the water with their fins, so fins is the word that fits.
3. A bear is a mammal because it has fur.
A bear has fur and feeds milk to its cubs, which makes it a mammal.
4. Butterflies and ants are both insects.
Butterflies and ants both have six legs and three body parts, so they are insects.
Part C: True or False?
Read each statement. Circle True or False.
1. Fish can breathe on land.
True False
False. Fish breathe through gills that take oxygen from water, so they cannot breathe air on land.
2. Birds are the only animals with feathers.
True False
True. Feathers are a special body covering only birds have, and they help birds fly and stay warm.
3. A horse is a mammal.
True False
True. A horse has fur, gives birth to live babies, and feeds them milk, which makes it a mammal.