How might global warming affect an animal species that has narrow temperature requirements?
A) It may cause the expansion of the species' range.
B) It may cause the extinction of the species.
C) It may reduce the diseases that threaten the species.
D) It may have no effect on the species.
B
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The grouping or classification of species is termed ______.
A. genus B. kingdom C. taxonomy
Four of the five animals listed below are migratory. Select the exception
a. monarch butterflies b. indigo buntings c. white-crowned sparrows d. gray whales e. wood lice
Cardiac glycosides, molecules causing a drastic effect on vertebrate heart function, are produced as defensive chemicals by plants belonging to
A. the milkweed and dogbane families. B. the mustard family. C. the grass family. D. the poison ivy, oak, and sumac families. E. the bean family.
The four most common elements found in living organisms are ________
A) nitrogen, oxygen, phosphorus, and carbon B) carbon, oxygen, nitrogen, and hydrogen C) carbon, oxygen, potassium, and calcium D) oxygen, calcium, hydrogen, and carbon