Classifying Living Organisms

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