Sea Life Vocabulary

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Across
  1. 3. A classification of plants and animals with common distinguishing characteristics. _____ is the first part of a two-part scientific name which each kind of organism carries. It is always capitalized and underlined or italicized.
  2. 6. To escape or get away. Prey try to _____ predators.
  3. 7. Living on the bottom. Plants and animals that live on the bottom of the ocean are called _______ animals.
  4. 10. The alternate rise and fall of the surface of the oceans and seas caused by the attraction of the moon and sun.
  5. 12. A barbed, threadlike stinger found in anemones, jellyfish and other cnidarian animals.
  6. 13. A phylum of diverse animals which includes both animals with backbones and those without.
  7. 15. The shedding of the exoskeleton. Crabs must ____ their shell in order to grow.
  8. 17. Hard outer covering such as found on clams, snails and oysters.
  9. 19. The phylum of invertebrate animals with jointed limbs such as crabs, shrimp or barnacles.
  10. 20. A colour, shape or behavior that helps to hide an animal.
  11. 22. Animals that have no backbone. Insects, crabs and lobsters, snails, clams, octopi, starfish, sea urchins and worms are all ____________s.
  12. 25. A fundamental biological division; a sub-division of genus. A scientific name has two parts, genus and _______.
  13. 26. Animals that capture and eat other animals are called ________s.
  14. 27. Animals that have backbones. Fish, sea mammals and humans are all __________s.
  15. 28. The phylum of invertebrate animals with specialized stinging cells such as jellyfish, corals and anemones.
  16. 30. The phylum of soft bodied animals that includes snails, slugs, clams, oysters and octopi.
Down
  1. 1. Numerous small, water-filled fleshy tubes sued by sea stars and other echinoderms for locomotion, feeding, breathing and, in some cases, seeing. (Two words)
  2. 2. Animals such as clams, oysters and scallops which have two shells are often called _______s.
  3. 4. One of the broad, principal divisions of the plant or animal kingdom. The ______ is based on body plan.
  4. 5. Long, slender, flexible growths that may be used in feeding, locomotion or other sensory activities. Anemones have ________s around their mouths.
  5. 6. The removal or repulsion of internal organs. Sea cucumbers __________ in response to stress.
  6. 8. The phylum of invertebrate animals with spiny skin such as sea stars, sea cucumbers and sea urchins.
  7. 9. The part of the beach covered with water when the tide is in and uncovered when the tide is out.
  8. 11. The end part of a leg or the muscular disc that a snail or slug moves on.
  9. 14. A special characteristic of a living thing which helps it to survive in its environment.
  10. 16. Marine slugs.
  11. 18. The physical place where an organism lives.
  12. 21. A process of development of a species or organism from early primitive form to their present state, usually involving adaptations for better survival in their environment.
  13. 23. A system of classifying living things into groups which are related.
  14. 24. Animals that are eaten by other animals are called ____.
  15. 25. A tube-like organ used by clams, octopi and other mollusks for drawing water in and out of their bodies. The clam's neck is its ______.
  16. 26. Usually microscopic plants and animals that float or drift in the sea or freshwater. They are the base of most marine food chains.
  17. 29. An accumulation of decayed organic material (plant or animal).