Multiple Choice
You spray your lawn with a pesticide. The concentration of the pesticide in the tissues of the grass on your lawn is 10−6 parts per million (ppm) . Grasshoppers eat the grass and are in turn eaten by rats, which are then eaten by owls. At each successive trophic level, the concentration of pesticides increases. The term for this process is
A) extirpation.
B) biological magnification.
C) habitat loss.
D) climate change.
Correct Answer:

Verified
Correct Answer:
Verified
Q51: The three greatest current threats to biodiversity,
Q52: Most biodiversity hot spots are found in
Q53: According to this figure, which organisms have
Q54: Rising concentrations of carbon dioxide (CO<sub>2</sub>) in
Q55: Currently, the single greatest threat to biodiversity
Q56: Suppose a species of wild boar (a
Q57: Sustainable development will<br>A) require making difficult decisions
Q58: Habitats with many edges<br>A) are the result
Q59: Greenhouse gases include<br>A) nitrous oxide and oxygen.<br>B)
Q60: Species found in only one place on