If you examined the human body on a chemical composition basis, which of the following combinations of elements would be most common?
A) O, C, H, N
B) O, C, N, Na
C) O, C, P, S
D) C, N, Ca, S
E) C, H, Ca, Cl
A
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Maintaining homeostasis of osmolality of the bodily fluids is important because:
What will be an ideal response?
For some seeds to germinate,
a. they must first be exposed to a critical low temperature for a certain length of time. b. they must be exposed to proper environmental conditions of temperature and moisture. c. something must remove the restrictive seed coat. d. something must remove the hormones that promote dormancy. e. all of these must occur.
Briefly explain the significance of one of the following fossil primates:Aegyptopithecus, Proconsul,
and the Dryopithecines. What will be an ideal response?
The passage of an arthropod through stages from egg to adult is
A. graduation. B. succession. C. metamorphosis. D. evolution. E. differentiation.