Which of the following statements is false?

a. All vertebrates have a ventral tubular nervous
system.
b. All vertebrates have a tail at some stage in their
life cycle.
c. All vertebrates have a notochord at some stage
in their life cycle.
d. All vertebrates have pharyngeal gill slits at some
stage in their life cycle.
e. None of these are false.


Answer: a

Biology & Microbiology

You might also like to view...

Members of the genus Mycobacterium cause which of the following diseases in humans?

A. Tuberculosis and leprosy B. Abscesses C. Meningitis D. Diphtheria

Biology & Microbiology

The initial circumstance that led some to believe that Abraham Lincoln had Marfan syndrome was that ____ had the

disease. a. one of Lincoln’s descendants b. Lincoln’s sister c. a descendent of Lincoln’s great-great-grandfather d. DNA analysis on Lincoln’s skull determined that he e. Photographs of Lincoln provided physical evidence that he

Biology & Microbiology

A vein always carries:a

blood to the heart. b. blood from the heart. c. oxygen-rich blood. d. oxygen-poor blood. e. blood rich in carbon dioxide.

Biology & Microbiology

When similar structures arise indecently in different species, it is called __________________.

A. Convergent evolution B. Divergent evolution C. Mutation D. Vicariance E. Natural selection

Biology & Microbiology