Which of the following structures would be
most attractive to a fire ant?
a. an electric can opener
b. a canvas patio umbrella
c. aluminum foil
d. a ceramic flower pot
e. a leather sofa
A
Biology & Microbiology
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The first embryonic blood cells come from
a. the amnion. b. the inner cell mass of the blastocyst. c. the yolk sac. d. the chorion. e. the placenta
Biology & Microbiology
The stability of a synovial joint is due largely to the presence of calcium salts
Indicate whether the statement is true or false
Biology & Microbiology
During photosynthesis in plants and algae, __________ is oxidized and __________ is reduced
A. O2; CO2 B. CO2; H2O C. H2O; O2 D. H2O; CO2 E. NADPH; ATP
Biology & Microbiology
Introduction of previously nonexistent genes into a population may be accomplished by
a. nonrandom mating. b. mutation. c. sexual recombination. d. the founder effect. e. birth.
Biology & Microbiology