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science ch13
chapter 13 part 1
Question | Answer |
---|---|
Animals with backbones | Vertebrates |
amphibians, reptiles, birds and mammals belong to this phylum | chordata |
carries blood to the heart | veins |
body temperature changes with temperature of the environment | cold blooded animals |
tough, flexible material that doesn't contain minerals that makes bones stiff | cartilage |
these live 1/2 of their life on land and 1/2 of their life in the water | amphibians |
snakes, turtles, and lizards are examples of these | reptiles |
an organ that produces a digestive juice that aids in digestion | liver |
body temperature remains constant no matter what the temperature of the surroundings are | warm blooded |
carries blood away from the heart | arteries |