Once the fertilized ovum has divided into two cells, it is called the ________
Fill in the blank(s) with correct word
pre-embryo
Biology & Microbiology
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By controlling their musculature, which of the following can vary the resistance to blood flow?
a. arteries b. veins c. capillaries d. arterioles e. venules
Biology & Microbiology
Transmission genetics studies the pattern of ____________________ as traits are passed from generation to
generation. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The kidneys are important homeostatic organs, contributing to maintenance of all of the following EXCEPT
A. blood pH. B. blood volume. C. blood pressure. D. destruction of worn-out red blood cells. E. ion concentration of extracellular fluids.
Biology & Microbiology
Early seed plants were pollinated by ________, as are present-day conifers.
A. wind B. trilobites C. bees D. water E. beetles
Biology & Microbiology