Arrange the following from the ecosystem with the smallest average NPP to the ecosystems with the largest NPP
1) lake
2) savannah
3) estuary
4) tropical rain forest
5) open ocean
a. 1, 2, 3, 4, 5
b. 2, 1, 4, 3, 5
c. 2, 1, 5, 3, 4
d. 5, 2, 1, 3, 4
e. 5, 1, 2, 3, 4
e
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Which of the following have been an effective immunosuppressant for use in transplantation?
A. Amphotericin B and cephalosporin B. Amphotericin B and cyclosporin A C. Amphotericin B and tacrolimus D. Cephalosporin and tacrolimus E. Cyclosporin A and tacrolimus
In an inflammatory response, the direct effect of histamine is to ____
a. dilate blood vessels causing increased blood flow to the area of infection b. decrease heat accumulation in the area of infection c. directly kill bacteria d. attack cytotoxic T cells e. cause B cells to release antibodies
If you decide to ride your bike at a moderate to fast pace for a long period of time, your blood pressure drops and heart rate increases. Once you stop the exercise, how does your body respond to resume a normal heart rate and blood pressure?
What will be an ideal response?
Pseudocoelomate nematodes lack a body cavity.
A. Correct, they are solid from the gut to the cuticle. B. Incorrect, their body cavity is fully enclosed by ectoderm but is a functional body cavity. C. Incorrect, although not fully enclosed by mesoderm, the pseudocoel is a body cavity. D. Correct, their pseudocoel does not allow for the development and expansion of organs.