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test study guide
invertebrates\vertebrates
Question | Answer |
---|---|
the animal kingdom is divided into how many phyla? | 35 |
another term for cold blooded animals is called? | ectothermic |
mollusks have what to breathe with? | gills |
birds have what? | feathers and beaks |
one group of amphibians are? | frogs |
mammals are born what? | live |
arthropods have what? | jointed legs |
segmented worms have a long what? | digestive tube |
worms take in oxygen and water threw what? | their skin |
echinoderms have what that stretches outward? | arms |