The Asian kudzu bug (Megacopta cribaria) arrived in Atlanta in 2009 and is quickly spreading across the South. In addition to eating kudzu, it also eats soybeans and can decimate entire crops. The kudzu bug is a type of ________ species.
A. control
B. keystone
C. invasive
D. umbrella
Answer: C
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Which of the following statements about the sodium-potassium pump is false?
a. Most cells of the body have sodium-potassium pumps b. The sodium-potassium pump moves sodium ions from inside the cell to outside, while importing potassium ions from the extracellular fluid. c. The sodium-potassium pump is a form of gated passive transporter. d. The transporter changes shape in response to binding of its target molecules.
Bacteriophages are attractive tools to use in combating bacterial infections because of all of the following reasons EXCEPT:
A) they have a broad host range B) they mutate readily should pathogens also alter their genetic virulence C) they can provide immunity by inserting their DNA into human cells D) many bacteria are resistant to our antibiotics E) they are more expensive than drugs
When a cold ocean current brings rich nutrients to the surface and influences the climate of the region, it is called a(n)
A. upwelling. B. lake effect. C. guano. D. profundal zone. E. monsoon.
Briefly explain how play behavior might have survival value and thus be affected by natural selection
What will be an ideal response?