Life Cycles — 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) chrysalis, egg, caterpillar, butterfly
B) egg, caterpillar, chrysalis, butterfly
C) caterpillar, egg, butterfly, chrysalis
D) butterfly, egg, chrysalis, caterpillar
The butterfly life cycle goes in order: egg, caterpillar, chrysalis, and then adult butterfly.
2. What does a tadpole grow before it becomes a frog?
A) wings
B) fins
C) legs
D) feathers
A tadpole grows legs as it changes into a froglet and eventually an adult frog.
3. Which part of a plant makes seeds for new plants?
A) roots
B) stem
C) leaf
D) flower
The flower is the part of a plant that produces seeds, which can grow into new plants.
4. What do butterflies and frogs both go through?
A) hibernation
B) metamorphosis
C) migration
D) pollination
Both butterflies and frogs go through metamorphosis, a complete change in body form as they grow.
Part B: Fill in the Blank
Write the correct answer on each line.
1. A chrysalis protects the caterpillar while it changes into a butterfly.
The chrysalis is a protective shell where the caterpillar transforms into a butterfly.
2. Frogs lay their eggs in water.
Frogs lay their eggs in water because tadpoles need water to live and grow.
3. A plant needs water, sunlight, and soil to grow.
Plants need water, sunlight, and soil to grow. Soil provides nutrients and support for roots.
4. The word metamorphosis means a big change.
Metamorphosis comes from a word meaning a big change in body form and structure.
5. A tadpole uses gills to breathe underwater.
A tadpole uses gills to take in oxygen from the water, just like a fish.