Understanding Photosynthetic Protists and Seaweed: Honors Biology Lesson 7 Overview

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In Lesson 7 of Honors Biology, we explore the fascinating world of photosynthetic protists, including algae and seaweed. This lesson covers key objectives such as identifying the three main groups of seaweed, understanding light absorption in aquatic environments, and examining diatoms and foraminifera found in the ocean. Additionally, we discuss the evolutionary relationship between green plants and green algae. Students will learn about the ecological significance of algae, their habitats, and the impact of nutrient blooms in marine ecosystems.

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Apr 28, 2026

1 photosynthetic protists 2 seaweed groups 3 light absorption 4 diatoms and forams 5 evolutionary link 6 green algae 7 autotrophic protists 8 nutrient blooms text

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Understanding Photosynthetic Protists and Seaweed: Honors Biology Lesson 7 Overview

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Homework • Page 522 understanding Key Concepts #5-#10 Lesson 7 Honors Biology
Character Education • Photosynthetic protists include algae and seaweed, animals are dependant on all these and more Lesson 7 Honors Biology
Objectives • Describe the 3 main groups of seaweed • Describe light absorption in water • Look at some diatoms and forams found in the ocean • Explain how green plants might have evolved from green alagae Lesson 7 Honors Biology
Class Notes • Algae are autotrophic protists • Blooms in the ocean are caused by excessive nutrients in the water (frequently man caused) • Algae are found in fresh water, salt water and in moist areas on land • Plants and green algae have cell walls of cellulose, use starch to store food, and have similar photosythnetic pigments Lesson 7 Honors Biology