Which two structures (found in different organisms) both serve to increase the absorptive surfaces of the intestines?
a. choanocytes and gastric ceca
b. choanocytes and proventriculus
c. proventriculus and villi
d. typhlosoles and gastric ceca
e. typhlosoles and villi
E
Biology & Microbiology
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Production efficiency is _______ in ectotherms than in endotherms.
A. higher B. lower C. the same D. more often zero E. fine
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A person who inherited the allele combination Aa is ____
a. homozygous dominant b. homozygous recessive c. heterozygous d. codominant e. dominant
Biology & Microbiology
What are mitochondria
What will be an ideal response?
Biology & Microbiology
Which bacterial groups have a gram- positive cell wall?
a. actinobacteria b. firmicutes c. both actinobacteria and firmicutes d. proteobacteria
Biology & Microbiology