Biology

Biology, 25.10.2019 09:43, dee5896

Which of the following is true of vertebrates with four-chambered hearts?

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Biology, 24.08.2019 04:30, Nerdymania

Which of the following provides the best comparison between reptiles and fish? a) they both have scales, but fish are ectothermic, and reptiles are endothermic . b) they are both ectothermic, but fish have gills, and reptiles have lungs. c) they are both vertebrates, but fish have three-chambered hearts, and reptiles have two-chambered hearts. d) they both lay eggs, but fish are invertebrates, and reptiles are vertebrates.

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Biology, 02.09.2019 13:30, navarretteisaiah09

Which of the following best describes similarities that exist between reptiles and amphibians? they are both ectothermic and have two-chambered hearts. they both have streamlined bodies and three-chambered hearts. they are both vertebrates that lay eggs to reproduce. they both have gills at some stage in their lives and are endothermic.

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Biology, 11.10.2019 01:00, Rawr5801

The common ancestors of birds and mammals were very early (stem) reptiles, whichalmost certainly possessed threechambered hearts (two atria, one ventricle). birds andmammals, however, are alike in having fourchambered hearts (two atria, two ventricles).the fourchambered hearts of birds and mammals are best described as a) structural homologies. b) vestiges. c) homoplasies. d) the result of shared ancestry. e) molecular homologies.

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Which of the following is true of vertebrates with four-chambered hearts?...

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