Pioneering species inhabiting a disturbed area alter the environment and create new habitats
a. False, the habitat cannot be changed by a living organism.
b. True, organisms moving to a disturbed area use the resources and can themselves be a
resource or can provide resources such as shade.
c. False, pioneering species are very short-lived and so do not invest enough time to change
the habitat
B
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The transgene that confers ________ to crops has escaped into the environment, appearing in wild plants and nonengineered crops
a. glyphosate tolerance b. increased yields c. the ability to produce the Bt protein d. drought resistance
Imagine that you own a nursery and you want to reduce the chance that plants you ship will suffer
from shipping damage. Which type of plant hormone should you apply to the plants before shipping?
a. cytokinins b. abscisic acid c. oligosaccharins d. gibberellins e. ethylene
Four of the five choices listed below are therapeutic
measures applied to affected individuals. Select the exception. a. prenatal diagnosis b. chemotherapy c. surgical correction d. diet modification e. hormone replacement therapy
In fermentation, yeast produces
A. ethyl alcohol. B. oxygen. C. hydrogen. D. All of these answers are true.