aquatic adaptations

2. This marine mammal uses tools to open shellfish. (5 letters)
3. The flat shape of some fish that live on the seabed. (8 letters)
5. An adaptation of some aquatic plants to stay afloat. (7 letters)
8. The opposite of freshwater. (8 letters)
14. A type of camouflage where an animal is dark on top and light on the bottom. (10 letters)
17. An adaptation for staying warm in cold water, like blubber. (9 letters)
19. An adaptation that helps aquatic animals move smoothly through water. (10 letters)
20. The opening on a dolphin's head used for breathing. (8 letters)

1. Waterfowl have these between their toes for swimming. (5 letters)
4. The ability to survive in both fresh and saltwater. (10 letters)
6. This insect uses surface tension to walk on water. (7 letters)
7. A sensory organ that runs along the side of a fish's body. (11 letters)
9. Some aquatic insects have these to breathe underwater. (7 letters)
10. These trees have exposed roots that help them survive in saltwater environments. (8 letters)
11. The ability to produce light, seen in some deep-sea creatures. (15 letters)
12. The ability of some aquatic animals to blend in with their surroundings. (10 letters)
13. These organs allow fish to extract oxygen from water. (5 letters)
15. Some aquatic plants have these to absorb nutrients from the water. (5 letters)
16. An adaptation for sensing vibrations in the water, found in fish. (8 letters)
18. An amphibian's long, sticky organ for catching insects. (6 letters)