Description

Login
Science

Intermediate

Biology

Explore biology from cells and organisms to genetics, evolution, and interpreting experiments.

10 lessons

Lessons

  1. 1

    Diffusion and concentration gradients

    2 min

  2. 2

    Osmosis across membranes

    2 min

  3. 3

    Enzymes and activation energy

    2 min

  4. 4

    Mitosis and chromosome distribution

    2 min

  5. 5

    Meiosis and genetic variation

    2 min

  6. 6

    Predicting single-gene inheritance

    2 min

  7. 7

    From genetic information to protein

    2 min

  8. 8

    Natural selection in populations

    2 min

  9. 9

    Adaptive immunity and memory

    2 min

  10. 10

    Matter cycles and energy flow

    2 min