Which of the following are examples of diffuse pollution? Check all that apply.
A. oil leaking from a cargo ship
B. pet waste
C. wind-borne debris blowing out to sea
D. chemicals released from a factory waste pipe
E. oil that washes off of roads
Answer: E
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From what feature are jaws through to have
evolved? a. pharynx b. vertebrae c. legs d. arms e. gill arches
Which phylum is strictly marine with no freshwater
or terrestrial forms? a. Echinodermata b. Platyhelminthes c. Cnidaria d. Mollusca e. Annelida
Which of the following provides an example of epistasis?
A) Recessive genotypes for each of two genes (aabb) results in an albino corn snake. B) In rabbits and many other mammals, one genotype (ee) prevents any fur color from developing. C) In Drosophila (fruit flies), white eyes can be due to an X-linked gene or to a combination of other genes. D) In cacti, there are several genes for the type of spines.
Answer the following questions true (T) or false (F)
1. Joseph Lister reduced the incidence of wound infections in health care settings by using chlorinated lime water. 2. Robert Koch sought a "magic bullet" for the treatment of disease caused by bacteria. 3. Enzymes are required for fermentation.