The invalid idea that traits gained during an organism's lifetime can be passed on to future generations is
A. the theory of natural selection.
B. the Hardy-Weinberg concept.
C. Mendel's law of inheritance.
D. the theory of acquired characteristics.
D. the theory of acquired characteristics.
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Competence means that a plant is _________, while determination means that a plant tissue __________. The acquisition of flowering competence is an example of a __________.
A. capable of responding to signals that trigger a fate change; remains capable of adopting more than one possible developmental fate; phaseolus B. unresponsive to signals that trigger a fate change; is committed to a specific developmental fate; fate change C. in the process of responding to signals that trigger a fate change; was driven to adopt an abnormal developmental fate by transgene expression; flowerization D. capable of responding to signals that trigger a fate change; is committed to a specific developmental fate; phase change
The major causes of plant diseases are
a. protozoa. b. viruses. c. bacteria. d. worms. e. fungi.
The images above of a yellow jacket and a nonstinging wasp are an example of ____
a. mimicry b. display behavior c. warning coloration d. chemical defenses e. camouflage
Consuming unpasteurized dairy products may result in infection with
A. Coxiella species. B. Brucella species. C. Bordetella pertussis. D. Bartonella quintana. E. Pasteurella species.