Clearly state the major plant lineage covered in Unit 21. Include the following supporting components. inish the letter by restating the topic from paragraph 1. Reiterate the most important evidence that differentiates plants in Unit 21 and 22.

Paragraph 1 – Introduce yourself to the student. Include a topic sentence/thesis statement that clearly states the two major plant lineages covered in Units 21-22. Preview the type of information you will provide in paragraphs 2-3 (the body).

Paragraph 2 – Clearly state the major plant lineage covered in Unit 21. Include the following supporting components.
Basis for classification
Broad structural and or physiological adaptations
Evolutionary history
Ecological significance of this plant lineage
Identify the plant phyla that belong to this lineage

Paragraph 3 – Clearly state the major plant lineage covered in Unit 22. Include the following supporting components.
Basis for classification
Broad structural and or physiological adaptations
Evolutionary history
Ecological significance of this plant lineage
Identify the plant phyla that belong to this lineage

Paragraph 4 – Conclusion – Finish the letter by restating the topic from paragraph 1. Reiterate the most important evidence that differentiates plants in Unit 21 and 22.