• Webbed feet to help swim

• Flight feathers to help them fly and eider feathers help keep them warm

• Light-colored feathers to camouflage

• Oily feathers keep them waterproof

• Long, flat bills to strain small plants and animals from the water

• Huge pouch in bill to scoop up fish

• Webbing between all four toes help them be strong swimmers and propel them through the water

• Narrow and closed nostrils to prevent water from being forced into their airways when they dive

• Migrate to different bodies of water                    

• Endothermic (warm-blooded) to maintain a constant body temperature no matter what temperature water they are in

• Sounds to help communicate, navigate, and hunt prey

• Zebra sharks have many sharp teeth to catch prey.

                   

• They have powerful tails to help them swim fast.

• They are camouflaged to hide while they wait for food.

• Streamlined shape to swim

                   

• Fins help propel dolphins in the water

• Blowholes to breathe

• Echolocation (help navigate in the dark ocean)

• Chemical defenses protect them from predators since they are slow moving

                   

• Gills to breathe under water

                   

• Can inflate to over three times its natural size

• Produces a deadly poison that can kill several people

• Strong shell to protect itself from predators

• Scales to hold in water during droughts.

• Lay their eggs on land but may live in the water.

• Can attach firmly to rocks so they are not swept away by waves

• Tough and leathery fronds to help protect them from being torn by the waves or dried out by the sun

• Contain toxins that make them unappetizing

• Can digest parts of other coral that are invading their space