Question

lower chodrates are generally known as​

Answer 1

Answer:

The first three sub-phyla in Phylum Chordata are what we call the Lower Chordates. ... These marine chordates include acorn worms. The next subphylum is Urochordata, which includes the Tunicates. These organisms spend their adult lives as sessile filter-feeders, who only display pharyngeal gill slits.

Explanation:

Answer 2

Answer:

The first three sub-phyla in Phylum Chordata are what we call the Lower Chordates. .These marine chordates include acorn worms. The next subphylum is Urochordata, which includes the Tunicates. These organisms spend their adult lives as sessile filter-feeders, who only display pharyngeal gill slits