Which of the structures on Figure 50-3 is a common site of cancer that can usually be detected by a
Pap smear?
a. 4
b. 5
c. 6
d. 7
e. 8
D
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Plants contain meristems whose major function is to _____
A) attract pollinators B) absorb ions C) photosynthesize D) produce more cells E) produce flowers
Which statement about bryophytes is NOT true?
a. The sporophyte is haploid. b. The sporangium produces spores. c. The sporophyte is attached to the gametophyte. d. Meiosis precedes spore formation. e. Bryophytes require water for sexual reproduction.
If a sieve tube in a plant becomes blocked, the plant
will experience difficulty in a. carrying on transpiration. b. transporting minerals. c. translocating food throughout the plant. d. completing cell division and experiencing normal growth. e. healing wounds.
_______ are the simplest animals, being little more than tubes of cells that filter microscopic pieces of food from the water.
a) chordates b) nematodes c) cnidarians d) sponges