Which of the following epithelial tissues secretes mucus and is dense with cilia?
A. Squamous
B. Cuboidal
C. Columnar
D. Stratified
Answer: C
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Which of the following would be considered to be a synapomorphy of conifers and flowering plants?
Given the following list of characteristics:
A. Chlorophylls a & b.
B. Vascular tissue.
C. Seeds.
D. Flowers.
E. Both chlofophyls a & b and vascular tissue.
Which of the following equations reflects the exponential model of population growth?
A) N(t) = b - d B) s = ?N / ?t C) N(t) = N(0)ert D) dN / dt = rN
How do the protein fibers in the matrix ground substance compare between loose and fibrous connective tissues?
A) In loose connective tissues, the protein fibers are loosely woven, but in fibrous connective tissues, the fibers are densely packed. B) In fibrous connective tissues, the protein fibers are loosely woven, but in loose connective tissues, the fibers are densely packed. C) The protein fibers are dark red in fibrous connective tissue but are white in loose connective tissues. D) The protein fibers are white in fibrous connective tissue but are dark red in loose connective tissues.
A danger associated with the use of specially developed plants in agriculture is that they
A. are likely to escape and become pests. B. often show great genetic diversity. C. often have little genetic diversity. D. typically cannot reproduce.