Which of the following does NOT cycle through an ecosystem?
a. water
b. carbon
c. energy
d. phosphorus
e. nitrogen
C
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In a pedigree chart, a female showing the specific trait being studied is indicated by a ____
a. clear square b. darkened square c. clear circle d. darkened diamond e. darkened circle
A chromosome contains the following gene order: A B C D • E F G H Which of the following rearrangements represents a paracentric inversion?
A) A B C • D E F G H B) A F G H • B C D E C) A C B D • E F G H D) A F D E • C B G H E) A B C D • H G F E
Which of the following descriptions of the autonomic innervation of the cardiovascular system is FALSE?
A) Both sympathetic and parasympathetic neurons innervate smooth muscle in arterioles. B) Only sympathetic neurons innervate smooth muscle in veins. C) Sympathetic activity increases cardiac output, whereas parasympathetic activity decreases cardiac output. D) Only sympathetic neurons provide significant innervation of the contractile cells of the heart. E) Both sympathetic and parasympathetic neurons innervate the SA node
Why are native plants important for butterfly populations?
a. Larvae often will not eat non-native plants b. Adult butterflies will not eat nectar from non-native plants c. Pupae cannot hang properly from non-native plants d. All of the above