Perfect verb form: sea snake

Writing Ideas

• You are a marine biologist. Write a short explanation about how sea snakes have adapted to survive in their marine environment.
• Watch the clip again and the related clip below. Observe how the sea snakes move through the water. Write a description using carefully selected vocabulary to describe an underwater scene filled with sea snakes.
• Sea snakes can absorb oxygen through their skin in order to extend the time they can remain underwater on a single breath. Research other ways in which sea snakes differ from land snakes.