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Practice problem

Grow and Develop — Characteristics of Life

By Deena Hauze
Penguin chicks are adorable, fuzzy grey birds. Over time, they lose their fuzz and mature into handsome adolescent birds. Finally. they become fancy adults.

Image Source: By Zina Deretsky, National Science Foundation [Public domain], via Wikimedia Commons

The diagram above illustrates the life cycle of a penguin from hatching until adulthood. Which of the following options best describes how the penguin changes?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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