Title: 16.3 Variation In Plant Life Cycles - Guest Hollow
Headings: 16.3 Variation in Plant Life Cycles
16.3 Variation in Plant Life Cycles
Lesson Objectives
WORKBOOK ASSIGNMENT:
Vocabulary
Introduction
General Plant Life Cycle
Life Cycle of Nonvascular Plants
Life Cycle of a Moss
Life Cycle of Seedless Vascular Plants
Life Cycle of Gymnosperms
Life Cycle of Angiosperms
Plant Reproduction in Angiosperms
Amoeba Sisters
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Lesson Summary
Lesson Review Questions
Recall
Apply Concepts
Think Critically
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Content: They are the green, photosynthetic structures that you would recognize as a fern, tree, or other plant (see Figure below). Individuals in the nondominant generation, in contrast, may be very small and rarely seen. They may live in or on the dominant plant. The dominant generation in nonvascular plants is the gametophyte; in vascular plants, it’s the sporophyte. Why is a dominant sporophyte generation an advantage on land? All of these photos show plants of the dominant generation in their life cycle. Life Cycle of Nonvascular Plants
Nonvascular plants include mosses, liverworts, and hornworts. They are the only plants with a life cycle in which the gametophyte generation is dominant. Figure below shows the life cycle of moss.