According to the figure, the alga produces the least
amount of oxygen at __________ nanometers.
a. 680
b. 700
c. 400
d. 475
e. 550
Answer: e
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The administration of the drug diclofenac to livestock inadvertently poisoned ____ and led to an increase in ____
cases.
a. cattle; hoof and mouth b. vultures; rabies c. children; epilepsy d. coyotes; hemolytic E. coli e. cattle egrets; avian flu
Oligotrophic lakes have:
A) clear water with high production. B) high nutrient levels and high production by phytoplankton. C) the largest numbers and diversity of organisms. D) clear water with low nutrient levels. E) low oxygen concentrations in the summer.
The erythrocyte sedimentation rate is used to monitor
A) inflammation. B) declining health in aging patients. C) anemia. D) infectious status. E) pregnancy.
In which growth phase do bacteria produce antibiotics and endospores?
A) lag phase B) death phase C) acculturation phase D) stationary phase E) log phase