Animal Classification

1. This group has scales, dry skin, usually lays eggs, and is cold-blooded.
4. Animals WITH a backbone.
9. This group has hard skin, jointed arms and legs, and has two pairs of antennaes.
11. This group has moist skin, lives on both land and in water, has webbed feet, lays eggs, and is cold-blooded.
14. This group lives in the water and is star-shaped.
15. This group always has 8 legs!
16. This group breathes under water, has fins, gills, and scales, lays eggs, and is cold-blooded.

2. Animals WITHOUT a backbone.
3. This group has feathers, wings, lays eggs, and is warm-blooded.
5. This group is a microscopic, one-celled organism.
6. A majority of this group are worms.
7. ________ blooded. Body temperature depends on how hot or cold it is outside.
8. This group has a soft body, usually with an outer shell. Examples include snails, clams, and squids.
10. ________ blooded. Body temperature stays the same no matter how hot or cold it is outside.
12. This group has fur, gives birth to live young, and are warmblooded.
13. This group has an exoskeleton, three jointed arms and legs, one pair of antennaes and we typically find them creeping into our homes!