Brassica oleracea — An introduction to artificial selection Subject area: Biological Science — 6-8th grade Season: Best in early fall when Brussels sprouts attached to stem would be available and whole plants could be brought into classroom. Could be taught any time of year using vegetables from the grocery store. Time: This lesson is a one class period introduction to the concept of artificial selection. Suggested Materials: Samples of vegetables. Ideally these would include broccoli, Brussel sprouts, cabbage, cauliflower, collard greens, kale, kohlrabi and romanesco. If possible it would be Read More …