This resource supports students to understand that an algal bloom is a rapid increase in the population of algae in an aquatic ecosystem. While most algae are beneficial, some blooms can be harmful, negatively impacting the environment and potentially harming humans and animals.Easel Version added This pack blends nonfiction reading, writing, and critical thinking. Students will practice comprehension, inference, and evidence-based writing. A tiered reading test is also included to support diffe