Its Fins, gills, and tail are all crucial for a sharks survival
To rearrange its configuration to result in a complete outer shell or have a stable octet
Answer:
the main body system is circulatory system?
Answer:
d
Explanation:
Fishes are aquatic vertebrates having scales, pharyngeal gill slits and paired fins. ... Most fish are ectothermic ("cold-blooded"), allowing their body temperatures to vary as ambient temperatures change. fishes have scales that covers the skin of fishes. Thus, the correct answer is option D.