Ferns comprise an ingroup of the vascular plant phylogenetic tree because they share all of the same derived character
states.
a. True
b. False
ANSWER: False
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The theory of pangenesis was first proposed by ________
A. Aristotle B. Galen C. Mendel D. Hippocrates E. None of these
Interrupting the night with a flash of light can trigger flowering in a long-day plant. Why doesn't introducing a short period of darkness during the day cause a short-day plant to flower?
A. Sunlight contains enough far-red light to inhibit phytochrome induction of flowering. B. A brief dark period is not sufficient to trigger flowering. C. Phytochrome is only active in the dark. D. The circadian clock is less responsive during the day than at night. E. The phytochrome response also requires cool nighttime temperatures. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about long-day and short-day plants? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The state of having more than two sets of chromosomes is called:
A) dominant. B) polyploidy. C) autosomal. D) nondisjunction. E) aneuploidy.
Filtration is an effective method to remove microbes from air and liquids.
Answer the following statement true (T) or false (F)