The movement of earthworms is dependent on
a. circular muscles.
b. longitudinal muscles.
c. hydrostatic skeleton.
d. setae.
e. all of these.
Answer: e
Biology & Microbiology
You might also like to view...
The substance that typically provides rigidity to fungal cell walls, and is also found in the external skeletons of insects
and other arthropods, is called ____.
a. lignin b. cellulose c. starch d. collagen e. chitin
Biology & Microbiology
The efferent arteriole carries blood from the glomerulus to the
A) renal artery. B) peritubular capillaries. C) renal vein. D) collecting duct. E) afferent arteriole.
Biology & Microbiology
Sapwood develops from __________
a. secondary xylem b. secondary phloem c. primary phloem d. primary xylem e. cork parenchyma
Biology & Microbiology
Structures of the skeletal system include all of the following except:
A) bone. B) nails. C) ligaments. D) cartilage.
Biology & Microbiology