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