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Dive into the fascinating world of seed plants by exploring the two main categories: angiosperms and gymnosperms. Learn about the distinctive features of each group, including their reproduction methods, examples like cycads and conifers, and key differences in structure and characteristics. Understand the unique traits of monocots and dicots within angiosperms, from cotyledon numbers to leaf venation patterns. Enhance your knowledge of plant biology with this comprehensive comparison.
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2 Types of Seed Plants • Angiosperms • Gymnosperms
Gymnosperms • Have cones for reproduction instead of flowers • 4 Types • Cycad • Ginkgo • Conifer • Gnetophyte
Gymnosperms • Cycads: look like ferns except they have seeds • Ginkgo: very large trees found mainly in China
Gymnosperms • Conifers: seeds are in cones or berrylike structures • Gnetophytes: shrubs and climbing vines
Angiosperms • Largest group of plant in the world • Found in all types of climates • Produce flowers for reproduction
Monocot vs. Dicot • Angiosperms are divided into monocots and dicots • As the zygote grows into the embryo, the first leaves of the young plant develop and are called cotyledons (seed leaves) • Monocots have one cotyledon (corn, lily, etc). • Dicots have two cotyledons (bean, oak, etc).
Monocot vs. Dicot • Number of cotyledons: one vs. two
Monocot vs. Dicot • Leaf venation pattern: • Monocot is parallel • Dicot is net pattern
Monocot vs. Dicot root • Monocot: Fibrous root • Dicot: Tap root
Monocot vs. Dicot • Flower parts: • Monocot: in groups of three • Dicot: in groups of four or five
Monocot vs. Dicot • Vascular bundle position: • Monocot: scattered throughout the stem • Dicot: arranged in a circle
Monocot vs. Dicot • Stem types: • Monocot: Herbaceous • Dicot: herbaceous or woody
