__________ is a term that refers to similarities among various species that occur because the species are derived from a common ancestor.
A. Analogy
B. Phylogeny
C. Homology
D. Heterology
E. Morphology
C. Homology
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Conservation biologists are often concerned that when the population size of an endangered species becomes too small, it is at risk of extinction for which reason?
A. They are at risk of sympatric isolation. B. They can no longer evolve. C. They may be more susceptible to changes in the environment or disease. D. They are at risk of developing prezygotic barriers to reproduction. E. Their rate of breeding will decline.
Which positive regulatory protein is required for the production of phage coat protein in lambda?
A) CI B) Cro C) N D) Q E) None of these
The shoot system of the plant is the aboveground portion that includes stems and leaves for capturing the energy of sunlight.
Answer the following statement true (T) or false (F)
A water strider walks across a pond on________
Fill in the blank(s) with the appropriate word(s).