Biology Crossword~Chloe

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Across
  1. 2. Flexible material from which the skeletons of Agnatha and Chondrichthyes are made
  2. 4. Able to be seen without using a microscope
  3. 6. Animals without backbones
  4. 7. Plants that bear their seeds on cones, have male and female cones on the same tree; e.g cypress, fir and hoop pine
  5. 9. Animals with a body temperature that varies with the temperature of their surroundings
  6. 10. Division in the classification ayah em below order and above genus
  7. 12. Plants that reproduce using seeds
  8. 15. The individual bones of the vertebral column
Down
  1. 1. Scientist who specialises in grouping and naming things
  2. 3. Made of only one cell
  3. 4. Made of many cells
  4. 5. Division under phylum in the classification of living things
  5. 8. Plants that reproduce using spores and have a vascular system for moving food and water throughout the plant
  6. 10. Plants that produce seeds fully protected inside an ovary
  7. 11. Second level of classification of living things, below kingdom and above class
  8. 13. Phylum of the animal kingdom consisting of the sponges
  9. 14. A subclass of mammals that nourish the baby inside the mother's body by a placenta, e.g humans