<p>Octopuses have no bones, can change color, and are great at recycling! Discover how these traits help octopuses survive in a vast ocean filled with predators and pollution. Included are tips on how you can help keep octopuses safe.</p><p>Level 2 readers are aimed at children who are becoming more confident at reading on their own. Simple sentences and informative captions help readers understand new ideas, while key words increase readers&#39; vocabulary.</p>