About The Ocean

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Across
  1. 4. The alternate rose and fall of the surface of the oceans and caused by the attraction of the moon and sun.
  2. 7. A process of development of a species or organisms form early primitive form to their present state, usually involving adaptations for better survival in their invedroment.
  3. 9. The species name is always written in lower case and underline or italicized.
  4. 11. Animals such as clams, otters and scallops which have two shells are often called bivalves. Bi= two, valve= shell.
  5. 14. A special characteristic of a living thing which helps it to survive in the environment.
  6. 16. Animals that have backbones.
  7. 17. To escape or get away. Prey try to evade predators.
  8. 18. The phylum of invertebrate animals with jointed limbs such as crabs, shrimp or barnacles. Arthropods=jointed limb.
  9. 23. The physical place where an organism.
  10. 25. Anemones have tentacles around their mouths.
  11. 26. They are base of most marine food chains.
  12. 27. A color, shape or behavior that helps to hide an animal.
  13. 28. cnidarian animals.
  14. 29. The phylum is based on body plant.
Down
  1. 1. The shedding of the exoskeleton.
  2. 2. A classification of plants and animals with common distinguishing characteristics.
  3. 3. The phylum of soft-bodied animals that includes snails, slugs, clams, oysters and octopus. Molluscan= soft bodied.
  4. 5. An accumulation of decayed organic material(plant or animal).
  5. 6. The phylum of invertebrate animals with specialized stinging cells such as jellyfish, corals and anemones. Cnidarian= stinging nettle.
  6. 8. The end part of a leg or the muscular disc that a snail or slug moves on.
  7. 10. Animals that capture and eat other animals are predator.
  8. 11. Living on the bottom. Plants and animals that live on the bottom of the ocean are called Bentham animals.
  9. 12. Animals that have no backbone.
  10. 13. feet Numerous small, water- filled fleshy tubes used by sea stars and other echinoderms for locomotion, feeding, breathing and in some cases, seeing.
  11. 15. tidal The part of the beach covered with water when the tide is in and uncovered when the tide is out.
  12. 17. The removal or expulsion of internal organs. Sea cucumbers eviscerate in response to stress.
  13. 19. naked gills.
  14. 20. The phylum of invertebrate animals with spiny skin such as sea stars, sea cucumbers and sea urchins. Echinoderm= spiny skin.
  15. 21. A phylum of diverse and those without.
  16. 22. hard outer covering such as found on clams, snails and oysters.
  17. 24. a system of classifying living things into groups which are related.
  18. 29. animals that are eaten by other animals are called prey.