How many chromosomes should be in an embryo sac nucleus?
A) 8
B) 16
C) 24
D) 32
A
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Which one of the following of the following statements is FALSE?
A) Science is a process. B) Scientists use the scientific method to gain knowledge about the natural world. C) Because scientific knowledge is empirical, it cannot be tested. D) Knowledge gained through the scientific method can be used to predict the natural world. E) The scientific method involves many different ways of obtaining information.
If a person gets a shot of epinephrine, he or she almost immediately feels the effects (e.g., increased heart and breathing rates). If the same person gets a shot of a steroid hormone such as cortisone, there is no immediate response
What is the reason for this difference?
As you visit the high desert of southeastern Arizona, you come to a flowing stream that disappears into the sand
You notice that insects are flying up to the moist sand for a drink, but as the flow varies and waves of muddy water wash over the animals, fine soil particles cover them and entomb them. The beginnings of what process have you just witnessed, and what might the next steps be?
Ockham’s razor could also be called the principle of ____
a. parsimony b. selectivity c. identity d. homogeneity e. exceptionalism