Sharks have a number of fleshy gill slits instead of a bony gill cover. How does this affect their behavior?

A. They live only in highly oxygenated water.
B. Their movements are slow due to low oxygen.
C. They do not maintain neutral buoyancy.
D. They keep swimming to move water across their gills.


Answer: D

Biology & Microbiology

You might also like to view...

In higher organisms, successful mating can occur between members of the same

A. genus. B. species. C. class. D. order.

Biology & Microbiology

The tube through which urine leaves the urinary bladder is the

a. collecting duct. b. urethra. c. renal pelvis. d. ureter. e. renal vein.

Biology & Microbiology

How many chains are present in crambin?

a. 1 b. 2 c. 3 d. 4

Biology & Microbiology

Most cases of pharyngitis are caused by Group A ß-hemolytic streptococci

Indicate whether the statement is true or false

Biology & Microbiology