Answer:
Insulin regulates blood glucose levels
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
The variation in color and markings is beneficial to the orchid plants because it helps the flowers pollinate efficiently (Option C). It is an adaptation.
<h3>What is an adaptation?</h3>
An adaptation is an evolutionary trait that allows an organism to take advantage of survival and/or reproduction.
Orchid color can attract pollinators by mimicking flowers of plant species that live in the same area.
It is an adaptation known as mimetism, which allows them to take an evolutionary advantage.
Learn more about adaptation here:
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Height Weight Size Look Color , Athletic ability.
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