Students compare kelp and land plants. In this sea plant lesson, students look at the role of algae in aquatic environments. They research the properties of kelp and explore seaweed. 

Learners observe the effect "El Nino" left on kelp plants and sea urchins. They analyze the data collected by researchers, by graphing it on a TI calculator. Before graphing and analyzing the data, you may want to revisit the events of...

Explore the diversity of algae.