Which term best explains the notable differences in tooth size and shape for the two evolutionarily related species, the aardwolf and the spotted hyena?
a. convergence
b. development
c. exaptation
d. divergence
Ans: d. divergence
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Instead of being isolated by pure culture, SAR11 was discovered when researchers analyzed the gene sequences contained within seawater samples
A. true B. alse
Molecules that are able to store and reproduce genetic information are known generally as ____
a. molecular hard drives b. molecular replicators c. DNA d. RNA e. ribozymes
Tissues and organ systems evolved as a result of ____
a. cooperation between different species of cells b. colonies of numerous species of cells c. endosymbiotic eukaryotes d. genome evolution in colonial cells with specific functions e. intracellular signals leading to cells with specific functions
Four of the five elements listed below are elements
whose symptoms of deficiency include chlorosis. Select the exception. a. phosphorus b. iron c. chlorine d. copper e. magnesium