Hemichordata and Urochordata

Give the characteristics features of the following citing one example of each (a) Chondrichthyes and osteichthyes (b) Urochordata and cephalochordata

Hemichordata resembles chordates in having ...............

Which of the following statements are true for the phylum-Chordata? (a) In urochordata notochord extends from head to tail and it is present throughout their life. (b) In vertebrata notochord is present during the embryonic period only. (c) Central nervous system is dorsal and hollow. (d) Chordata is divided into 3 subphyla: Hemichordata,Tunicata and Cephalochordata.

in urochordata notochord is found in

Which of the following animals belongs to Urochordata ?

Which of the following statements is/are not true A. In Urochordata, notochord is present only in larval tail. B. In Cephalochordata, notochord extends from head to tail region. C. Branchiosoma belongs to Hemichordata D. Only one Class of living members, Class Cyclostomata represents the Super Class Agnatha.

How many from the following phylum has external fertilisation with indirect development ? {Porifera, Ctenophora , Echinodermata, Hemichordata }

Urochordata or tunicata is

Larva of Hemichordata

Who had given the hemichordata the status of an independent invertebrate phylum?