The role of the Arctic ctenophore in the Arctic and Baltic ecosystems has not been fully understood due to the limited availability of precise frequency and research data. (sciencedaily.com)
However, its official title is «Understanding the biodiversity and ecological importance of ctenophores — Lessons from Arctic and Baltic Mertensia ovum.» (sciencedaily.com)
Confirmation of this latter hypothesis would have far - reaching implications for our understanding of evolutionary history because comb jellies and their relatives are relatively complex animals — unlike sponges and placozoans, ctenophores possess muscles and a nervous system. (sciencedaily.com)