Tunicates, members of one major class of the ____ lineage, have tadpolelike larvae, but their sessile adult forms are

usually encased in a leathery "tunic."



a. Petromyzontoidea
b. Placodermi
c. Cephalochordata
d. Urochordata
e. Myxinoidea


ANSWER: d

Biology & Microbiology

You might also like to view...

True or false: The sequence of species that colonize a recently disturbed area through succession is unpredictable

A. true B. false

Biology & Microbiology

Bile is crucial for ______ digestion because of its function in _______.

A. protein, protecting the stomach lining B. fat, solubilizing glycerol:fatty acid bonds C. nucleic acids, uncoiling DNA strands D. fat, emulsification E. protein, lyophilization

Biology & Microbiology

A recent study of SINEs in whales and other mammals generated results that show that whales are

derived from a common ancestor with

a. pigs and camels. b. dogs and cats. c. ruminants and hippos. d. sharks and rays. e. elephants and horses.

Biology & Microbiology

Bacterial and archaeal ribosomes are known as ________ ribosomes, based on their sedimentation coefficient.

A. 80S B. 30S C. 70S D. 50S

Biology & Microbiology