Question
Reptiles and birds belong to one major lineage of amniotes, and________ belong to another.a. sharksb. frogs and toadsc. mammalsd. salamanders
Step 1
Amniotes are a group of tetrapods (four-limbed animals with backbones or spinal columns) that have a terrestrially adapted egg. They include synapsids (mammals along with their extinct kin) and sauropsids (reptiles and birds), as well as their fossil ancestors. Show more…
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Reptiles, including birds, belong to one major lineage of amniotes, and __________ belong to another a. sharks b. frogs and toads c. mammals d. salamanders
Turtles, lizards, and birds belong to one major lineage of amniotes, and ____ belong to another. a. sharks b. frogs and toads c. mammals d. salamanders
The amniotes include all but the a. birds. c. reptiles. b. mammals. d. amphibians.
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