Question

The embryos of a fish, chicken and rabbit all contain a tail and pharyngeal pouches at some point during their early development. Although the fetus of all these species looks different from one another, the similiarity between these organisms during their embryological development suggests an evolutionary relationship among all _________________________ species. A) avian B) invertebrate C) mammalian D) vertebrate

Answer 1

The answer is D)Vertebrate

Step-by-step explanation:

Answer 2

The answer is vertebrate.

Step-by-step explanation:

Vertebrates are those animals that have a central spinal cord. Fish, Chicken and rabbit can be classified as vertebrates because they all have a spinal cord. The vertebrate is a big term that is further divided into different classes for example Fish, amphibians, mammals, avian, and reptiles,