Spiders use hydraulic pressure for all of the
following EXCEPT to
a. oppose the contraction of their leg muscles.
b. extend their hind legs outward.
c. assist in jumping.
d. pump blood into body tissues.
e. compensate for their lack of opposing leg
muscles.
Answer: d
You might also like to view...
Scientists believe that the heart of the common (chordate) ancestor of all vertebrates
A. consisted of a single ventricle. B. had four chambers. C. had two chambers. D. had three chambers. E. was little more than a heavily-muscled region of the ventral artery.
Which of the following is not a chief function of inflammation?
A. Start tissue repair B. Block further invasion C. Destroy microbes D. Cause a fever E. Mobilize and attract immune components to injury site
Refer to Figure 26-3. The structure at point 6 in the life cycle:
a. is a zoospore.
b. was produced by mitosis.
c. was produced by meiosis.
d. is diploid.
e. is a structure in which mitosis occurs.
Prokaryotes use folds of their cytoplasmic membrane called ________ for photosynthesis.
A. thylakoids B. grana C. nucleoid D. cristae E. outer membrane