When the population growth of the prey = 0, is the predator population increasing or decreasing?
a. It is always decreasing.
b. It is always increasing.
c. At the left point it is increasing and at the right point it is decreasing.
d. At the right point it is decreasing and at the left point it is increasing.
d
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As cleavage progresses, the cells of the embryo _____ and the whole embryo ______.
Fill in the blank(s) with the appropriate word(s).
__________cells function when dead
A. Parenchyma B. Sclerenchyma C. Collenchyma D. Phloem
Dyes are often added to growth media to aid in the identification of microbes. What could be the purpose of a dye in this case?
A) to make the plate prettier B) to color key the type of plate being used C) to act as a growth enhancer D) to act as a pH indicator
The tube connecting the throat to the stomach:
What will be an ideal response?