Life Cycles of Animals — Answer Key
Part A: Fill in the Blank
Write the missing word on the line.
1. The frog life cycle begins with eggs.
The correct answer is 'eggs'. The frog life cycle begins with eggs.
2. Frog eggs hatch into tadpoles.
The correct answer is 'tadpoles'. Frog eggs hatch into tadpoles.
3. Tadpoles live in water.
The correct answer is 'water'. Tadpoles live in water.
4. As they grow, tadpoles develop legs.
The correct answer is 'legs'. As they grow, tadpoles develop legs.
5. Tadpoles lose their tail as they become frogs.
The correct answer is 'tail'. Tadpoles lose their tail as they become frogs.
6. A young frog without a tail is called a froglet.
The correct answer is 'froglet'. A young frog without a tail is called a froglet.
7. Adult frogs can live on land and in water.
The correct answer is 'water'. Adult frogs can live on land and in water.
8. Adult frogs lay eggs in water to begin the cycle again.
The correct answer is 'eggs'. Adult frogs lay eggs in water to begin the cycle again.
9. The frog's change from tadpole to frog is a type of metamorphosis.
The correct answer is 'metamorphosis'. The frog's change from tadpole to frog is a type of metamorphosis.
Part B: Match the Animals
Match each adult animal to the name of its young.
1.
butterfly
→ caterpillar
puppy
frog
→ tadpole
chick
bird
→ chick
tadpole
dog
→ puppy
caterpillar
Match each item with its correct partner. The correct matches are: butterfly → caterpillar; frog → tadpole; bird → chick; dog → puppy.