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Image #   23482A
Name:   Marine centric diatom frustule (Biddulphia aurita)
Copyright:   Copyright 2009 Dennis Kunkel Microscopy, Inc.
Description:   Caption: Marine centric diatom frustule (Biddulphia aurita). This species was found in the Pacific Ocean near the sea shore (Oahu, Hawaii). It typically forms a light brown scum on seaweeds or rocks in the ocean. It also can form a scum on aquarium walls. Diatoms are microscopic, unicellular algae that are abundant in marine and fresh water. There are many phytoplankton diatom genera that are an important part of the food chain. The body or frustule is composed of two halves which fit tightly together. The cell walls contain silica dioxide (glass) which are preserved in deposits known as diatomaceous earth. Once hardened into rock it is called diatomite and can be used for many purposes including filters, fillers and abrasives.
Magnification*: x240
Type: SEM
    *(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)
Keywords:   23482A algae diatom marine centric frustule Biddulphia SEM Biddulphia aurita Coscinodiscineae Bacillariophyceae Heterokonta diatom frustule diatom frustules 03.01.09 alga aquatic diatoms eukaryote Hawaii phytoplankton plankton salt water sea water silica silica skeleton siliceous frustule Heterokontophyta eukaryotes eukaryotic diatom phytoplankton protist protists single cell marine planton salt water phytoplankton salt water plankton saltwater phytoplankton saltwater plankton sea water phytoplankton sea water plankton seawater phytoplankton seawater plankton marine diatom marine diatoms alga photosynthesis algae photosynthesis marine photosynthesis diatomite marine phytoplankton diatomaceous earth Hawaii diatom Hawaii marine diatom Hawaiian marine diatom Hawaiian marine diatoms centric diatom centric diatom frustule centric diatom frustules centric diatoms silica dioxide

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