Biology basics

This course explains how cells work and how plants turn light into food. Each lesson takes about 30 minutes.

Lessons

1. Lesson 1: What is a cell?
2. Lesson 2: Inside the cell (opens next week)
3. Lesson 3: Photosynthesis (opens next week)

Quiz rules

• Each quiz has ten questions.
• You can take a quiz up to three times.
• There is no time limit.