Which of the following is NOT an ecological service performed by plants?
A) Capture solar energy
B) Produce oxygen as a by-product of photosynthesis
C) Increase soil humidity
D) Help create and maintain soil
E) Reduce erosion by wind and water
C
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To which subtype of muscle tissue does a fiber with cross-striations and many peripherally located nuclei belong?
(a) skeletal. (b) cardiac. (c) smooth. (d) none of the above.
Many carnivores have lost their taste receptor that detects:
a. bitterness b. saltiness c. sweetness d. sourness e. fattiness
Blood bypasses the fetal liver through the ____
a. umbilical arteries b. umbilical veins c. ductus venosus d. foramen ovale e. ductus arteriosus
What effect will increased blood levels of ADH have on blood volume?
A) It will decrease blood volume. B) It will have no effect on blood volume because ADH affects only urine output. C) It will increase blood volume. D) Only the plasma (fluid) part of the blood will decrease.