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Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

2019

Humboldt State University

Biochemistry, Biophysics, and Structural Biology

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Full-Text Articles in Life Sciences

Analysis Of Aboral Spine Variation In The Forcipulate Sea Star, Pisaster Ochraceus (Brandt 1835), Angela Jordane Jones Jan 2019

Analysis Of Aboral Spine Variation In The Forcipulate Sea Star, Pisaster Ochraceus (Brandt 1835), Angela Jordane Jones

Theses and projects

Rocky intertidal zones are highly dynamic environments that exhibit substantial spatial and temporal variation in abiotic conditions, which can drive body form variation and energy allocation within calcifying species. Wave exposure, specifically, has been shown to be a significant driver of skeletal and structural morphology in organisms including gastropods, bivalves, and sponges. Many of such organisms, from sponges to echinoderms, rely on calcium carbonate for structural support and protection.

In the phylum Echinodermata (named for possessing a ‘spiny skin’), research on the form and function of calcium carbonate spines is largely relegated to Class Echinodea (e.g., urchins and sand ...