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A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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Life Cycles of Organisms

Science · Organisms & Life Processes · conceptual

Develop models to describe that organisms have unique and diverse life cycles but all share the common stages of birth, growth, reproduction, and death

What mastery looks like

  • Describe the life cycle of at least two different organisms (e.g. butterfly, frog, plant)
  • Identify the common stages all life cycles share: birth, growth, reproduction, death
  • Explain how life cycles can look very different (metamorphosis vs gradual growth) but follow the same pattern

Check your understanding

Can Life Cycles of Organisms compare the life cycle of a butterfly with that of a frog and explain what stages they all share — being born, growing, having babies, and dying?