A hypothesis can best be described as a(n):
a. data point
b. conclusion
c. observation
d. tentative explanation
e. stepwise problem-solving approach
d
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Some species require a large and diverse range. Although it may not significantly decrease the overall size of the range, how might fragmenting the range with a freeway or neighborhood lead to the extinction of the entire population, even if sufficient food is available in either region to sustain two smaller populations? Suggest a compromise that would allow the population to survive and allow for the road project or neighborhood.
What will be an ideal response?
Which of these components of a tossed salad will pass
through the human digestive tract with the least digestion? a. sugar (in the dressing) b. oil (in the dressing) c. starch (in the croutons) d. cellulose (in the lettuce leaves) e. protein (in the bacon bits)
Solutions that cause water to enter cells by osmosis are called
A) permeable. B) hypertonic. C) hypotonic. D) isotonic. E) hydrophilic.
Mitochondrial electron transport takes place ________.
A. on the outer mitochondrial membrane B. in the fluid matrix of the mitochondria C. on the inner mitochondrial membrane D. on the outer mitochondrial membrane and on the inner mitochondrial membrane