9th grade biology · AI tutor
Learn biology by talking through it.
Watch a short video, then chat with an AI tutor about what you just learned. It listens, asks you questions, and scores your understanding. Reach 60% to unlock the next topic.
The curriculum
1. Introduction to Biology & the Scientific Method
What biology studies, and how scientists ask and answer questions.
2. Cell Structure & Function
Prokaryotic vs eukaryotic cells and the jobs of each organelle.
3. Cell Transport
How things move in and out of cells: diffusion, osmosis, and active transport.
4. Photosynthesis & Cellular Respiration
How cells capture and release energy.
5. Cell Division & Mitosis
How one cell becomes two.
6. DNA, RNA & Protein Synthesis
From the code in your DNA to the proteins that build you.
7. Genetics & Heredity
Mendel, Punnett squares, and how traits are passed down.
8. Evolution & Natural Selection
How populations change over time.
9. Ecology & Ecosystems
Living things and the environments they share.
10. Human Body Systems
A tour of the systems that keep you alive.