Which of the following functions is not associated with the presence of feathers in birds?
a. temperature regulation
b. minimization of water loss
c. respiration
d. flight
e. protection
C
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The process of adding hydrogen to N2, creating NH3 and eventually NH4+, and which requires a substantial input of ATP, is called ____.
a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation e. nitrogen assimilation
The fiddlehead is a ________ that unfolds into a ________.
A. diploid sporophyte; fern frond B. haploid gametophyte; fern frond C. diploid gametophyte; fern frond D. diploid gametophyte; moss plant E. haploid sporophyte; fern frond
Given these blood vessels in the kidney:
1) afferent arteriole 2) arcuate artery 3) interlobar artery 4) interlobular artery Which of these sequences represents the correct pathway a red blood cell would follow as it moved from the renal artery to the glomerulus? A. 1,2,3,4 B. 2,3,4,1 C. 2,1,4,3 D. 3,2,4,1 E. 4,3,2,1
Production of (acid/dextran/glycocalyces) allows Streptococcus mutans to colonize the mouth
What will be an ideal response?