How living things change as they grow — Biology, 4–6 years
See that living things change over time, and that young animals or plants may not look exactly like adults.
Growing means changing
Living things change during their lives. A chick grows feathers and becomes a chicken, and a seedling grows taller and makes more leaves. Growing is not just becoming bigger: bodies can change shape, gain new abilities and later produce young of their own kind.
Why look at stages?
A life story helps us know what to expect and what care is needed at each time. A baby bird needs different help from an adult bird, and a seed needs different attention from a flowering plant. Putting stages in order also helps us understand that change happens over time, not all at once.
From seed to bean plant
First, a bean seed lies quiet. With water and warmth, a root appears; then a shoot pushes upward. The seedling opens leaves and grows taller. Later it may make flowers and bean pods, which contain new seeds. The stages form a story: seed, sprout, young plant, flowering plant and new seeds.
Young does not mean unfinished
A child may think a chick or tadpole is just a smaller, unfinished version of the adult. That is reasonable because many young animals resemble adults. But a tadpole has a tail and lives in water, while a frog has legs and can live differently; each stage has its own body and needs.
Caring at the right time
You can use life stages when caring for a plant, a pet or an insect you observe safely. A seed needs a chance to sprout, a young animal may need a nest or parent, and an adult may find its own food. Knowing the stage helps you help without disturbing the living thing.
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