In the Rh disease,
a. the mother must be positive and her first and second children positive.
b. the mother must be negative and her first and second children positive.
c. the mother must be negative and her first and second children negative.
d. the mother must be positive and her first and second children negative.
e. the mother and the father must both be negative and the child positive.
B
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How did the experimental group differ from the control group in the 2005 peacock butterfly experiment?
a. They were different species. b. Their native habitat of the forest differed. c. They were spotless and soundless. d. They tasted worse. e. They preferred different flowers species.
The bittern in the above figure is using ____ for protection
a. mimicry b. display behavior c. warning coloration d. chemical defenses e. camouflage
The scientific method ________
A) is a rigid methodology that must be precisely followed to ensure validity B) is a rough recipe for answering questions, but the steps need not be performed in the same order as outlined C) is undertaken only by trained scientists in a controlled laboratory setting D) is the means by which absolute truth can be uncovered
Which is true?
-Sleep is the only physiological function to follow a circadian rhythm -Ultradian rhythms are those that are longer than a day -An individual's sleep periods generally exceed the 24 hour day -Zeitgebers are internal factors that help entrain our sleep patterns