Answer:
The correct answer is - Tigers and goldfish are both vertebrates. Vertebrates are animals that have spines and internal bone structures.
Step-by-step explanation:
Tigers and goldfish belong to the same phylum but different Classes that suggests that they both are not very closely related but have some similarities and related.
Dorsal neural tube, a bilateral symmetry, a notochord, circulatory system, are some of the features that are shared by both organisms. These characters confirm that these two organisms are related.