Quick Scoop

The chloroplast is the part of a plant cell that carries out photosynthesis, turning sunlight into chemical energy the plant can use. It also helps produce oxygen as a byproduct of that process.

What it does

  • Captures light with chlorophyll.
  • Uses that light energy to make sugars like glucose for the plant.
  • Releases oxygen during photosynthesis.

Why it matters

Without chloroplasts, plants could not make their own food efficiently, and most life on Earth would lose a major source of oxygen and energy flow through ecosystems.

TL;DR: Chloroplasts are the “solar panels” of plant cells—they capture sunlight and convert it into food for the plant.