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