Biology, 28.09.2021 19:00 shortcake8047
A researcher performed an analysis of the elemental composition of several fish species living in the same body of water. The amount (in parts per million) of iron (Fe), calcium (Ca), potassium (K), sodium (Na), and magnesium (Mg) found in each species is shown in the table.
SpeciesFeCaKNaMg
Species A55.70179.51107.9445.3933.89
Species B23.74134.16105.1945.1033.38
Species C67.18785.18103.6042.7132.45
Species D30.09457.59107.9744.6833.84
Based on this data, identify which elements are found in similar concentrations across all species of fish tested. Explain how this data provides support for the hypothesis that all four species of fish descended from a common ancestor.
Answers: 2
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A researcher performed an analysis of the elemental composition of several fish species living in th...
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