On the population level, evolution not only occurs via natural selection, but also through other forces such as genetic drift
Could you imagine how a process on the macroevolutionary level that is analogous to genetic drift could produce the phylogenetic pattern shown in the figure below?
What will be an ideal response?
ANS:
Events that cause the extinction of smaller species by chance alone; e.g., volcanic eruptions that would kill individuals regardless of size occur in an area that happens to harbor smaller species.
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One of the main purposes of the 1947 General Agreement on Tariffs and Trade was to
a. repudiate the most-favored-nation principle. b. encourage bilateral trade agreements between nations. c. promote free trade among nations. d. replace the use of import quotas with tariffs.
Reef-building polyps get their sugars from
mutualistic
a. green algae. b. cyanobacteria. c. dinoflagellates. d. euglenoids. e. planarians
List the major types of foods and beverages for which fungi are responsible, and give an example of the particular
fungus involved in each. What will be an ideal response?
______ testing may be used to determine the presence of exposure to a pathogen like tuberculosis.
Fill in the blank(s) with the appropriate word(s).