InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
mention some aquatic adaoption of superclass pisces |
| Answer» Pisces\xa0In older classifications, a superclass containing the four\xa0classes\xa0of fish: the two extant\xa0classes\xa0Chondrichthyes (cartilaginous fish, e.g. sharks) and Osteichthyes (bony fish), the extinct\xa0class\xa0Placodermi, and also the most primitive of the vertebrates of the\xa0class\xa0Cephalaspidomorphi.Characteristics of Pisces\tThey are found in fresh, marine, and brackish\xa0water.\tThe\xa0body\xa0is usually streamlined. ...\tTheir\xa0body\xa0is distributed into a head, trunk and tail.\tThey swim with the help of their tail.\tPaired and unpaired fins represent the appendages. | |