Pelagic organisms live in the water column above the seafloor
a. True
b. False
ANSWER: True
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Which of the following statements is TRUE regarding the population pyramids of Egypt and Iran?
A) Egypt and Iran are growing at roughly the same rate.
B) Women have more children in Iran than do women in Egypt.
C) Egypt is growing faster than Iran.
D) Iran is growing faster than Egypt.
E) Iran has a younger population than Egypt.
How many different nervous system control systems begin to function when a patient begins to hemorrhage?
A) 1 B) 2 C) 3 D) 4
Which of the following is not one of the three types of tectonic activity that causes orogensis along convergent boundaries?
A) oceanic plate-continental plate collision B) oceanic plate-oceanic plate collision C) continental-plate—continental plate collision D) oceanic plate-continental plate collision, oceanic plate-oceanic plate collision, and continental-plate—continental plate collision are all correct.
Gap junctions
A) are slender threads of cytoplasm that link adjacent plant cells. B) require a lock-and-key fit between a receptor and a message molecule. C) are found in both animal cells and plant cells. D) are tiny channels between adjacent animal cells.