LyfeLabz | Characteristics of Life

📖 Lesson Notes

Characteristics of Life 🌱︎

All living things share six key characteristics. If something checks all six boxes — it's alive! Learn each one below.

01 🦠

Made of Cells

All living organisms consist of one or more cells. A single-celled organism is unicellular; many-celled is multicellular.

02 ⚡

Obtain & Use Energy

Living things need a source of energy for growth and development. Plants use sunlight; animals eat food.

03 🌱

Grow & Develop

Organisms increase in size and go through developmental changes over their lifetime.

04 👶

Reproduce

Living organisms can produce offspring, either sexually (two parents) or asexually (one parent).

05 👁️

Respond to Stimuli

Organisms sense and react to changes in their environment — like a plant bending toward light.

06 ⚖️

Maintain Homeostasis

Living things regulate their internal environment to keep conditions stable — like your body keeping a steady temperature.

🏷️ Key Vocabulary

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👆 Click any term to jump to its explanation in the lesson

Made of Cells Obtain & Use Energy Grow & Develop Reproduce Respond to Stimuli Stimulus Maintain Homeostasis Homeostasis Organism

Watch — Characteristics of Life

Watch this video to reinforce the six characteristics of life before taking the quiz.

✅ Check Your Understanding

10 questions on the characteristics of life. Fill in your info below — your score will be sent to your teacher when you submit.

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