Can someone confirm answers? A vertebrate with scaly skin and no legs could either be a fish or reptile.

A vertebrate with lungs and hair is a mammal but if it has feathers instead of hair it is a bird. ​

vertebrate

Explanation:

The subphylum Vertebrata click this icon to hear the preceding term pronounced includes all of the familiar large animals and some rare and unusual ones as well. The 7 living classes of vertebrates are distinguished mostly on the basis of their skeletal system, general environmental adaptation, and reproductive system.

heheh

c should be the answer