Why was the classification scheme devised by Linnaeus such an improvement over those used in his day?
What will be an ideal response?
His system of classification used binomials for scientific names, minimizing the confusion previous systems caused by their use of polynomials. Linnaeus also undertook the monumental task of trying to classify all the organisms on earth. While he did not accomplish that task, he still made great strides toward that end, and equally great contributions to the field of taxonomy.
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Transformation and transduction are methods used to introduce DNA into host cells.
Answer the following statement true (T) or false (F)
Which statement best summarizes the connection between islands and species richness?
a. The factor influencing species richness on an island is distance from the mainland. b. The factor influencing species richness on an island is island size. c. The factor influencing species richness on an island is the type of species on the island. d. The factors influencing species richness on an island are distance from the mainland and island size. e. The factors influencing species richness on an island are distance from the mainland and type of species on the island.
A magnesium ion contains twelve protons and ten electrons. A chloride ion contains seventeen protons and eighteen electrons. Given this information, the chemical formula for magnesium chloride is
A. MgCl. B. Mg2Cl. C. MgCl2. D. Mg2Cl2.
The nucleus in a eukaryotic cell is surrounded by
a) chromatin. b) a nuclear envelope. c) histone proteins. d) nucleoli.