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7th Science: Section 6.1

Across
Animals with backbones
The ability to blend in with surroundings
Teeth used for cutting or biting
Animals without backbones
State of being inactive
Animals that eat primarily meat
Specialized hair structures that are sensitive
Flat teeth used for grinding
Down
An internal skeleton made of bone or cartilage
Ability to regulate body temperature internally
Winter dormancy in mammals
Usually soft and gives extra warmth to mammals
Teeth used for tearing
Animals that eat meat and plants
Animals that eat primarily plants
A vertebrate that is able to regulate its body temperature internally, has mammary glands, a respiratory system, a diaphragm, an endoskeleton, and a four-chambered heart