Question: 8. An ocean run sockeye otolith has four “annuli” where growth
slowed during each winter. Startin…


8. An ocean run sockeye otolith has four “annuli” where growth
slowed during each winter. Starting from the center of the otolith,
the first two are dark/distinctive and then there are two more
annuli – both of which are faint and more widely spaced. When this
otolith is prepared and analyzed chemically, where would (some
aspects) of the chemistry change to reflect oceanic residence if
the otolith was analyzed on a transect from the center to the edge?
a. between the second and third annulus b. between the third and
fourth annulus c. no aspects of the chemistry would change

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