Dichotomous Key

A. Cones present, leaves are needles……………………………………………… Plant 1 A’. Cones not present, leaves are not needles – B B. Complete flowers, perianth visible to naked eye – C B’. Incomplete flowers ……………………………………………………………. Plant 4 C. Petals white, many flowers per stem ………………………….. Plant 2 C’. Petals violet, one flower per …

Dichotomous Key

A Coniferous plants -B A’ Herbaceous plants -C  B Coniferous tree with needles (plant 1) C Herbaceous plants with petals (plant 2)(plant 3) C’ Herbaceous plants with without petals (plant 4) D Herbaceous plant with white petals (plant 2) D’ Herbaceous plant with purple petals (plant 3)  

My cats love dichotomous keys too

Toy (Zab.) plaything An item designed and manufactured for use in play.  Made from numerous materials, including rocks, sticks, clay, fibers, metals, plastics, and others.  Recently, many toys have included electronic components to enhance the play experience.   Some engineers also use them to make design mock-ups. A. Toys made from …

Dichotomous Key

A Plants that do not have/produce flowers plant 1 A’ Plants that have/produce flowers B Flowers that do have/ produce petals plant B’ Flowers that do not have/produce petals plant C Plants that have/produce Purple Petals plant 3 C’ Plants that have/produce white petals plant 2 D plants with visible …