Classification Exercise Insects Cnidarians Plants Scientists use the following characteristics to classify plants: vascular or non-vascular (true roots, stems and leaves) habitat (dry, wet, damp) method of reproduction (spores, cones, flowers, capsules, spore cases) structure (shape of the plant, shape of the leaves, height, number of leaves) 1 Look at the key above. Explain how plants are classified. 2 Identify the characterisitics used to classify plants. 3 a) b) c) d) Describe each of the following monocotyledon angiosperm conifer a plant with rhizoids 4) Give an example of each of the plant groups listed. 5) Why isn’t colour or time of flowering an important way of classifying plants?