Which word best describes the series of stages an organism goes through during its life? A. Habitat B. Life cycle C. Ecosystem D. Fossil

Which of these is the first stage in the life cycle of a butterfly? A. Caterpillar B. Adult butterfly C. Egg D. Chrysalis

Which stage comes after a caterpillar in a butterfly's life cycle? A. Egg B. Chrysalis (pupa) C. Adult butterfly D. Seed

What is one main job of a seed in a plant life cycle? A. To make flowers immediately B. To begin growing a new plant C. To catch insects D. To turn into soil

Which sequence shows the correct life cycle of a frog? A. Egg → tadpole → froglet → adult frog B. Tadpole → egg → adult frog → froglet C. Adult frog → egg → tadpole → froglet D. Egg → froglet → tadpole → adult frog

How is metamorphosis different from simple growth? A. Metamorphosis is only found in plants B. Metamorphosis is a major change in body form C. Metamorphosis means an organism stops living D. Metamorphosis happens only in winter

Which stage of a butterfly is least able to move around and feed? A. Egg B. Caterpillar C. Chrysalis D. Adult butterfly

Why do many animals produce several offspring at one time? A. So all offspring will survive for sure B. Because adults cannot grow C. To increase the chance that some offspring survive to adulthood D. To make the life cycle shorter

A student observes that a young frog has legs but still has a tail. What stage is this? A. Egg B. Tadpole C. Froglet D. Adult frog

Which statement best explains why plant and animal life cycles are similar? A. Both begin as a small stage, grow, and eventually reproduce B. Both always have exactly the same number of stages C. Both must live in water D. Both stop changing after birth