In addition to a vertebral column, all vertebrates have
A. a distinctive head or skull.
B. an open circulatory system.
C. gills.
D. scales.
E. a tunic.
A. a distinctive head or skull.
You might also like to view...
The concept of a species was proposed by
A. Charles Darwin. B. John Ray. C. Carolus Linneaus. D. Erasmus Darwin. E. George Cuvier.
Which process is a transition from glycolysis to the Krebs cycle?
a. acetyl CoA formation b. conversion of PGAL to PGA c. regeneration of reduced NAD+ d. oxidative phosphorylation e. substrate-level phosphorylation
The vestibular apparatus ____
a. controls depth perception b. consists of one fluid filled semi-circular canals c. contains mechanoreceptors that detect fluid shifts d. contains no sensory receptors e. contains olfactory receptors that detect odorous chemicals
Which of the following is a gastropod?
a. clam. b. snail. c. squid. d. octopus.