Marine Vocabulary

2. the physical place where an organism lives
5. the alternate rise and fall of the surface of the oceans and seas caused by the moon and sun
9. the phylum of soft-bodied animals that includes snails, slugs, clams and octopus
12. a fundamental biological division
15. the phylum of invertebrate animals with spiny skin
16. animals that capture and eat other animals
18. animals that are eaten by other animals
19. animals with two shells such as clams and oysters
20. a barbed stinger found in anemones
21. a special characteristic of a living thing which helps it to survive in its environment
23. feet numerous small, water-filled fleshy tubes used by sea stars and other echinoderms for locomotion, feeding and breathing
27. long slender flexible growths used in feeding and locomotion
28. a tube-like organ used by clams and octopus for drawing water in and out of their bodies
29. to escape or get away
30. a proves of development from early form to their present state
31. the muscular disc that a snail or slug moves on
32. a phylum of diverse animals with and without backbones
33. a classification of plants and animals with common characteristics

1. living on the bottom
3. the part of the beach covered with water when the tide is in and uncovered when the tide is out
4. a system of classifying living things into groups which are related
6. the removal or expulsion of internal organs
7. animals that have no backbone
8. marine slugs
10. the phylum of invertebrate animals with specialize stinging cells
11. the shedding of the exoskeleton
13. one of the broad, principal divisions of the plant or animal kingdom
14. animals that have backbones
17. a color, shape or behavior that helps to hide an animal
22. the phylum of invertebrate animals with joined limbs
24. hard outer covering such as found on clams, snails and oysters
25. an accumulation of decayed organic material
26. microscopic plants and animals that float or drift in the sea