Cryptosporidium is often associated with diarrheal outbreaks in the United States. Please choose the statement that explains why.
A) The oocysts formed by Cryptosporidium are extremely resistant to wastewater treatment.
B) Personal hygiene and hand-washing have become extremely lax in the American population.
C) More Americans are traveling outside of the country.
D) More people have cats and dogs as pets.
A) The oocysts formed by Cryptosporidium are extremely resistant to wastewater treatment.
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a. thyroxine b. triiodothyronine c. calcium d. iodine e. both thyroxine and triiodothyronine
Cladistic analysis of populations of blue wildebeest in Africa has helped to show that habitat fragmentation has led to
a loss of ____. a. evolution b. alleles c. genes d. gene flow e. mutations
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Fill in the blank(s) with correct word
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