Which of the following can cause anemia?
a. red blood cells in short supply
b. abnormally shaped blood cells
c. a low iron diet
d. heavy menstrual periods
e. all of these can cause anemia
E
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Which fungal phylum has the fewest known living species even though they collectively make up
roughly half of the fungi in the soil?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Four of the five answers are conditions that may help to break dormancy of seeds. Select the exception
a. abrasion of the seed coat b. freezing temperatures c. bright light d. fire e. salty soil conditions
Which of the following attributes makes species more vulnerable to anthropogenic extinction?
A) species attractive as human resources B) species that have evolved in the absence of predation and disease C) species with limited geographic range D) species with restricted habitat distribution E) all of the above
According to the animation, what does oxygen get reduced to at the end of the electron transport chain?
a. ATP b. NADH c. Water d. Electrons e. Protons