Plants have been genetically engineered to be resistant to damage from insects by the use of

a. Bt toxin.
b. glyphosate.
c. epidermal growth factor.
d. HIV.


Answer: A

Biology & Microbiology

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The portion of potential resources and conditions that an organism actually exploits as a result of interactions with other species is its

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When a limiting factor becomes more important as the size of the population increases, it is known as a(n) 

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What is measured by the machine that Augustus Waller invented?

a. blood pressure when the ventricles are contracting b. cardiac output c. electrical activity of the heart d. blood pressure when the ventricles are relaxed

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