Biology · Grades 1–4
Life cycles
Study guide for Grades 1 to 4: 2 worked examples and 2 practice questions. Every living thing goes through stages in order. Some animals, like frogs and butterflies, change shape completely.
Rule and key idea
Every living thing goes through stages in order. Some animals, like frogs and butterflies, change shape completely.
egg → young → adult → new eggs
Worked examples
Which stage comes first in the life cycle of a frog: adult frog or egg?
Life cycle of a frog: egg → tadpole → young frog → adult frog.
egg
Which stage comes first in the life cycle of a butterfly: chrysalis or caterpillar?
Life cycle of a butterfly: egg → caterpillar → chrysalis → adult butterfly.
caterpillar
Try two questions
Which stage comes first in the life cycle of a bean plant: adult plant with flowers or pod with new seeds?
- adult plant with flowers
- pod with new seeds
In the life cycle of a chicken, which stage comes right after “egg”?
- adult chicken
- chick
Answers and reasoning
Answers and marking notes
- adult plant with flowers
Life cycle of a bean plant: seed → seedling → adult plant with flowers → pod with new seeds.
- chick
Life cycle of a chicken: egg → chick → adult chicken.
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