Life Cycles of Animals — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. What is the correct order of a butterfly life cycle?
A) egg, caterpillar, chrysalis, butterfly
B) egg, butterfly, caterpillar, chrysalis
C) chrysalis, egg, caterpillar, butterfly
D) caterpillar, egg, butterfly, chrysalis
A) egg, caterpillar, chrysalis, butterfly — the egg hatches into a caterpillar, which forms a chrysalis and finally emerges as a butterfly.
2. How is a tadpole different from an adult frog?
A) A tadpole has wings
B) A tadpole has a tail and lives in water
C) A tadpole is bigger than a frog
D) A tadpole has feathers
B) A tadpole has a tail and lives in water, while an adult frog has legs, no tail, and can hop on land.
3. What do frog, butterfly, and chicken have in common?
A) They all have wings
B) They all hatch from eggs
C) They all live in water
D) They all have fur
B) They all hatch from eggs — even though these animals look very different, each one begins its life inside an egg.
4. What happens inside a chrysalis?
A) A frog changes
B) A caterpillar becomes a butterfly
C) A chick learns to fly
D) An egg starts to grow
B) A caterpillar becomes a butterfly inside the chrysalis, where its body slowly rearranges and grows wings.
Part B: Fill in the Blank
Write the correct answer on each line.
1. A frog life cycle has four main stages.
A frog life cycle has 'four' main stages: egg, tadpole, froglet, and adult frog.
2. A caterpillar spins a chrysalis around itself.
The caterpillar wraps itself in a hard 'chrysalis' to protect its body while it turns into a butterfly.
3. Baby chickens are called chicks.
Baby chickens are called 'chicks' — they are small, yellow, and fluffy when they first hatch.
4. A tadpole slowly grows legs to walk on land.
A tadpole grows 'legs' one pair at a time so it can leave the pond and hop on land as a frog.
5. The life cycle starts over when adults lay eggs.
When grown-up animals lay 'eggs,' a brand-new life cycle begins with the next generation of babies.