Which of the following provides the best comparison between fish and birds?

They are both ectothermic, but fish have streamlined bodies and birds are bipedal.

They are both vertebrates, but fish are ectothermic and birds are endothermic.

They both lay eggs, but fish are jawless and birds have gizzards.

They both have two-chambered hearts, but fish have scales and birds have feathers

Question

Which of the following provides the best comparison between fish and birds? 

 They are both ectothermic, but fish have streamlined bodies and birds are bipedal. 

 They are both vertebrates, but fish are ectothermic and birds are endothermic. 

 They both lay eggs, but fish are jawless and birds have gizzards. 

 They both have two-chambered hearts, but fish have scales and birds have feathers

anonymous · Answer

They are both vertebrates, but fish are ectothermic and birds are endothermic. ( i think so...) i'm i ri8?

anonymous · Answer

um idk i think you are im checking what i put and i put that same thing i have to submit my pretest they said it counts but idk i hate home school