Based on the tree shown, vascular tissues is a synapomorphy defining which of the following groups?
A. lycophytes and angiosperms +
gymnosperms + ferns
B. ferns and angiosperms + gymnosperms
C. angiosperms and gymnosperms
D. lycophytes and angiosperms +
gymnosperms
E. hornworts and lycophytes + ferns +
gymnosperms + angiosperms
A
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What will be an ideal response?
True or False: The bright colored patterns of a flower's petals act as signals to an insect that nectar and pollen are available, and in this way the sender manipulates the behavior of the receiver
A. true B. false
Intrinsically unstructured proteins:
A. have no function because they are unstructured. B. only function in membranes. C. are capable of binding to several different sites on different partners. D. are more common in bacteria than in humans. E. are only observed in diseased cells.
Siamese cats have enzymes that code for dark
fur color but are only active in cooler temperatures. Thus, the tips of a Siamese cat’s ears, feet, and tail are dark but not the warmer regions of its body core. This is an example of
a. pleiotropy. b. environmental effects. c. epistasis. d. incomplete dominance. e. co-dominance