23.Which of the following statement is correct about Urochordata: A. Notochord Absent B. Notochord is replaced by vertebral column C. Notochord present only in larval tail D. Notochord extends from head to tail
Option C They have a shape of a bag, sessile and filter-feeding animals. They are found in seawater only. They have a nerve cord and notochord at the tail of their larvae. Both the nerve cord and the notochord are lost during metamorphosis.
