Life Cycles — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. How are butterfly and frog life cycles alike?
A) Both live only in water.
B) Both go through metamorphosis.
C) Both make chrysalises.
D) Both have wings as adults.
Both butterfly and frog life cycles include metamorphosis, where the animal completely changes its body form.
2. Which stage comes right after a seed in the plant life cycle?
A) flower
B) fruit
C) sprout
D) adult plant
After a seed is planted and watered, it grows into a sprout that pushes through the soil.
3. What happens inside a chrysalis?
A) The egg hatches.
B) The frog grows legs.
C) The caterpillar changes into a butterfly.
D) The seed starts to grow.
Inside the chrysalis, the caterpillar's body completely changes and transforms into a butterfly.
4. What is TRUE about all life cycles?
A) They only happen once.
B) They all need water.
C) They repeat over and over.
D) They all have four stages.
All life cycles repeat because adult organisms produce eggs or seeds that begin the cycle again.
Part B: Fill in the Blank
Write the correct answer on each line.
1. A froglet is a young frog that still has a small tail.
A froglet is a young frog that has developed legs but still has a small tail that will shrink.
2. After a butterfly comes out of its chrysalis, its wings are wet.
When a butterfly first emerges from the chrysalis, its wings are wet and crumpled. It must wait for them to dry before flying.
3. Seeds travel to new places by wind, water, or animals.
Seeds can travel to new places by wind, water, or animals that carry them on their fur or eat fruits.
4. A caterpillar sheds its skin as it grows.
A caterpillar sheds its skin several times as it grows bigger because its old skin becomes too tight.
5. All living things have a life cycle.
All living things have a life cycle, which is the series of stages they go through from birth to producing offspring.