Analogous features are problematic when constructing evolutionary trees because they:
A. are based on DNA instead of comparative anatomy.
B. are based on comparative anatomy instead of embryology.
C. are the result of natural selection instead of common ancestry.
D. are the result of common ancestry instead of natural selection
Answer: C. are the result of natural selection instead of common ancestry.
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Because bacterial LPS is both hydrophilic and hydrophobic, a specialized transporting system, ________, is required for membrane transport and insertion.
A. Tol B. Lpt C. cytidine diphosphate carrier protein D. acyl-carrier protein
Energy losses are multiplied in successive energy transfers in a food web
Indicate whether the statement is true or false.
Which of the following is NOT a unique
angiosperm adaptation that allowed them to outcompete gymnosperms to become the dominant land plants?
a. they grow faster than gymnosperms b. pollination is assisted by insects and other animals c. animals assisted in seed dispersal by consuming their fruits d. angiosperms have non-flagellated sperm and thus can reproduce in dry areas e. more than one of these is NOT a unique angiosperm adaptation that allowed them to become the dominant land plants Chapter Fourteen 233
The typical transmission of dimorphic fungi is inhalation of ________.
Fill in the blank(s) with the appropriate word(s).