A population includes
a. all organisms of the same species in one place at a given moment.
b. the organisms and their physical environment.
c. the physical environment in which an organism exists.
d. all organisms within the environment at a given moment.
a
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The movement of auxin downward from its site of production is referred to as:
a. gravitropism. b. apical dominance. c. nonpolar transport. d. polar transport. e. turgor movement.
When water melts from a solid ice cube to a liquid, its volume ________ and its mass ________.
A. Decreases; increases B. Decreases; stays the same C. Increases; stays the same D. Increases; decreases
List three properties that all forms of cancers share and summarize the origin of these properties. What will be an ideal response?
Which cell developmental process is likely to change the shape of the embryo without affecting size?
A. Cell proliferation B. Programmed cell death C. Cell movement or differential expansion D. Cell differentiation