Classifying Living Organisms

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Across
  1. 4. Class of Chordata that give birth to live young, produce milk for their young, and are covered in hair.
  2. 6. Subclass of Mammalia that give birth to underdeveloped young, that then develop inside a pouch.
  3. 7. Class of Chordata that lay eggs, are ectothermic and have dry, scaly skin.
  4. 8. Animal phylum, commonly known as starfish.
  5. 11. A class of plants that produces male and female cones on the same tree.
  6. 12. Term meaning an animal can generate it's own body heat.
  7. 15. Animal phylum, commonly known as round worms.
  8. 16. Organisms in this kingdom have cells with no cell wall, and feed on other living things.
  9. 19. Class of Chordata known as 'jawless fish'.
  10. 22. Plants that reproduce using seeds.
  11. 27. Example of an organism found in Kingdom Fungi.
  12. 28. Name given to an internal skeleton.
  13. 30. Organisms in this kingdom all contain chlorophyll and are able to photosynthesize.
  14. 32. Class of Chordata that has a skeleton made of cartilage.
  15. 33. Animal phylum containing insects, scorpions, spiders and crustaceans.
  16. 34. Organisms in this kingdom have cells that have a cell wall, but cannot photosynthesize.
  17. 35. Example of an organism found in Kingdom Monera.
  18. 36. Class of Chordata that lay eggs, are endothermic and covered in feathers.
  19. 37. Subclass of Mammalia that lay eggs.
  20. 38. A class of plants that contains only one living species.
  21. 39. One of the divisions of the Plant Kingdom; mosses and _____________.
Down
  1. 1. Name given to an external skeleton.
  2. 2. Animal phylum, commonly known as segmented worms.
  3. 3. A class of plants that have separate male and female trees.
  4. 5. Class of Chordata that can breathe through their skin and have a tadpole larval stage.
  5. 9. The plant subclass that has one seed leaf, and parallel veins in their leaves.
  6. 10. Term used to describe an animal with a backbone.
  7. 13. Animal phylum in which animals have bilateral symmetry, and also have a nerve cord.
  8. 14. A type of tree that belongs to the Conifer class.
  9. 16. The class of plants that contains flowering plants.
  10. 17. Term used to describe an animal without a backbone.
  11. 18. The plant subclass that has a pair of seed leaves, and branching veins in their leaves.
  12. 20. Animal phylum, commonly known as flatworms.
  13. 21. Organisms in this kingdom are single-celled, and lack a clearly defined nucleus.
  14. 23. Plants in this division have a vascular system and reproduce using spores.
  15. 24. Example of an organism found in Kingdom Protista.
  16. 25. Animal phylum, commonly known as sponges.
  17. 26. Class of Chordata known as 'bony fish'.
  18. 27. Animal phylum containing snails, slugs, oysters and mussels.
  19. 29. Subclass of Mammalia that nourish their developing young inside the mother's body by a placenta.
  20. 30. Organisms in this kingdom are single-celled and may be plant or animal like.
  21. 31. Term meaning an animal's body temperature varies with the temperature of their environment.
  22. 32. Animal phylum made up of jellyfish, sea anemones and coral polyps.