3. How do seismic waves help scientists determine the structures of Earth's interior? Seismic waves carry materials from Earth's mantle across the Earth and to the surface.
a a
Selsmic waves activate the Earth's magnetic field.
Seismic waves travel through meteorite remains at different speeds.
Seismic waves travel through different materials at different speeds.

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?