Which major regions compose the contemporary vertebrate brain?
A. rhombencephalon and prosencephalon only
B. mesencephalon and rhombencephalon only
C. prosencephalon and metencephalon only
D. metencephalon, rhombencephalon, and prosencephalon
E. rhombencephalon, mesencephalon, and prosencephalon
E. rhombencephalon, mesencephalon, and prosencephalon
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To distinguish two organisms using the morphological species concept, a scientist would ____
a. perform a genetic analysis on the two organisms b. look at the appearance of two organisms c. mate the two organisms to see if viable offspring result d. observe the mating rituals of the two organisms
e. trace the common ancestry of the two organismsWhich of the following sources of pollution is considered a point source? a. Oil dripping from cars as they cross the railroad tracks
b. Runoff from farm fields during the heavy spring rains draining into the Mississippi River. c. None of these choices. d. Air pollution in an industrialized city. e. Municipal water treatment plant discharging into the river.
What does polarization refer to?
A) the electrical signal generated by neurons B) the lack of concentration gradient for sodium C) the decrease in charge difference across a membrane D) the difference in charge across a membrane
Which of the following is a function of the kidneys? I) elimination of urea II) reabsorption of valuable solutes III) reabsorbing water
A) I B) II C) III D) all of the above