Both aquatic plants and algae serve vital roles in maintaining healthy ecosystems:
Are you focusing on a (e.g., the Amazon, local ponds, or coral reefs)? Aquatic Plants & Algae
Is this for a (middle school, college, etc.)? Both aquatic plants and algae serve vital roles
These are rooted in the bottom, but their leaves float on the surface. Water lilies are the classic example, utilizing the air-water interface for maximum sunlight. Aquatic Plants & Algae
These are rooted in the soil underwater, but their upper portions—leaves and flowers—grow above the surface. Common examples include cattails and bulrushes.