| A | B |
|---|
| camouflage | the abiltiy of an animal or human to disguise itself in order to hide |
| vertebrate | animal that has a backbone with a spinal cord |
| mollusk | soft-bodied animal with no backbone |
| crustacean | animal that has a crust-like or hard shell |
| mammal | animal or human that is warm-blooded, gives birth to babies, and nurses its young |
| cartilaginous | animal that has a backbone made of cartilage rather than bone |
| habitat | the natural place where a plant, animal, or human lives |
| pollution | anything that makes the water, soil, or air dirty |
| endangered | animals or plants that are in danger of disappearing from the Earth |
