Which structure supports the developing embryo if fertilization occurs?
A. uterus
B. cervix
C. vagina
D. ovary
E. fallopian tube or oviduct
A
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Answer the question using the accompanying figure. In the figure, letter C represents a ____ taxon, which includes
____.
a. polyphyletic; an ancestral species and all of its descendants b. monophyletic; an ancestral species and all of its descendants c. monophyletic; species from different evolutionary lineages d. paraphyletic; an ancestral species and only some of its descendants e. polyphyletic; an ancestral species an only some of its descendants
If a woman of blood type A has a child of blood type O, the father may belong to
a. blood types A, AB, or O, but not B. b. blood type O only. c. blood types A, B, or O, but not AB. d. any blood type other than type A. e. blood type A only.
Because of the mechanism of sex determination, males of many species can be neither homozygous nor heterozygous. Such males are said to be ________
A) recessive B) complementary C) dominant D) hemizygous E) None of the answers listed are correct.
The active, feeding form of a protozoan is called the ________.
Fill in the blank(s) with the appropriate word(s).