An animal with an open circulatory system
a. lacks a continuous network of blood vessels
that contain the blood at all times.
b. can have only one heart.
c. has two separate vascular circuits.
d. is able to distribute substances faster than a
closed system.
e. can grow larger than one with a closed
circulatory system.
A
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Albinism is a recessive disorder in which the skin and hair fail to produce pigment. The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism. The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.
According to the pedigree above, who is a not a carrier of albino?
A. Aaron B. Bill C. Brandon D. All of the above are carriers of albino
In snapdragons, the red allele CR is incompletely dominant over the white allele CW. Which two plants would you
cross to produce a true-breeding pink snapdragon?
a. pink with pink b. pink with red c. red with white d. pink with white e. a true-breeding pink snapdragon cannot be created
Compare and contrast the conceptual foundation and application of two different types of ecological
pyramids. What will be an ideal response?
For photosynthesis in green plants, the electron donor for the light dependent reaction is
A. RuBP. B. chlorophyll II. C. oxygen. D. water. E. carbon dioxide.