The circulatory system of a bird is indicated by
a. A.
b. B.
c. C.
d. both A and B.
e. none of these.
Answer: c
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Consider a living plant cell in a living leaf that has a higher water potential than the fluids surrounding the cell. In such
a situation there should be ____.
a. a net flow of water out of the cell b. gain of water by the cell only if the cell's pressure potential is high enough c. no net flow of water into or out of the cell d. a net flow of water into the cell e. gain of water by the cell only if the cell's pressure potential is low enough
Which of the following mechanisms can drive evolution?
A) Mutations B) Genetic drift C) Natural selection D) All of the above
The average American uses as many resources in one day as 370 Ethiopians
Indicate whether the statement is true or false
Hyphae typically grow as an extensive mesh called a(n) __________.
Fill in the blank(s) with the appropriate word(s).