The tapeworms are found in which of the following phyla?
a) Phylum Nematoda
b) Phylum Platyhelminthes
c) Phylum Cnidaria
d) Phylum Annelida
e) Phylum Mollusca
Answer: b) Phylum Platyhelminthes
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The loop of Henle in the nephrons of desert-dwelling kangaroo rats is much longer than the loop of Henle in humans. What is the advantage of this increased length for the kangaroo rat?
A. A longer loop of Henle can generate a larger concentration gradient, which allows for the production of a more concentrated urine. B. A longer loop of Henle can generate a smaller concentration gradient, which allows for the production of a more concentrated urine. C. A longer loop of Henle can generate a larger concentration gradient, which allows for the production of a less concentrated urine. D. A longer loop of Henle can generate a smaller concentration gradient, which allows for the production of a less concentrated urine. E. None of the answer options is correct.
Any gene located on a sex chromosome is a sex-linked gene
a. true b. false
A crystal of potassium permanganate is placed into a beaker of water. The next day, the solid color is gone, but the water is evenly colored. This is an example of
What will be an ideal response?
In which population would it be least likely that an accident would significantly alter the frequency of the brown allele?
A) Population A. B) Population B. C) Population C. D) They are all the same. E) It is impossible to tell from the information given.