Dung beetles feeding on the waste of cattle grazing on hay in a field represent
A) a detritus-feeding decomposer feeding on the wastes of a consumer eating a producer.
B) a producer feeding on the wastes of a producer eating a consumer.
C) a producer feeding on the wastes of a consumer eating a producer.
D) a consumer feeding on the wastes of a decomposer eating a producer.
A
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Describe the relationship between gravity and weight.
What will be an ideal response?
A covalent bond is associated with which of the following?
A) interactions between nuclei B) the sharing of electrons C) the transfer of electrons D) all of these
Which of the following is true of a molecule which contains one stereocenter?
A) It will never be chiral. B) It will sometimes be chiral. C) It will always be chiral. D) There is no relationship between chirality and the presence of a stereocenter.
Protective structures used to control mass-wasting include all of the following except
A. tunnels. B. terraces. C. retaining walls. D. a covering comprised of a heavy chain mesh.