Why might biologists assemble species into functional groups when examining community structure?
A) to better focus on species by species interactions
B) to fit the null model
C) to understand the significance of a single species by assembling them in functional groups
D) to understand functional types because individual species might not be as significant
D
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A layer of lipoprotein and glycoprotein that covers the outer surface of some viruses is the
A. capsid. B. casing. C. envelope. D. membrane. E. viroid.
Hormones of the posterior pituitary gland are transported to the hypothalamus by what unusual route?
A. the limbic system B. blood vessels C. axons D. the lymphatic system E. the hypopituitary shunt
Triglycerides do not need to be chemically altered or broken down to cross the intestinal epithelium.
Answer the following statement true (T) or false (F)
What discovery by T. H. Morgan finally determined that genes were carried on chromosomes?
A. the finding of complete dominance B. discovery of the Rh blood group C. sex-linked inheritance of eye color in fruit flies D. heat-sensitivity of certain enzymes determining coat color