Which organisms have exoskeletons?
a. earthworms
b. humans
c. sea anemones
d. insects and clams
e. amphibians
d
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If the distance from the front to the back of the eye is longer than normal so that light waves are focused in front of the retina, that person ________
a. will be nearsighted b. will be farsighted c. shows signs of nutritional blindness d. has glaucoma
Which of the following is a female reproductive structure in Figure 28-1?
a. 1
b. 7
c. 5
d. 8
e. 3
Which genetic condition can be described as the inheritance of the heterozygous phenotype, which is expressed as an intermediate between the dominant and recessive alleles?
A) dominance B) codominance C) incomplete dominance D) epistasis
Which of the following pairs is mismatched?
A. coliform Enterobacteriaceae; rapid lactose fermenters B. non-coliform opportunistic Enterobacteriaceae; Proteus, Morganella C. coliform Enterobacteriaceae; opportunistic pathogens D. non-pathogenic Enterobacteriaceae; Salmonella, Shigella E. non-coliform Enterobacteriaceae; non-lactose-fermenters