Sentences with phrase «microscopic diatom»

Fleas and other insects with an exoskeleton (hard shell) are susceptible to the glass - sharp edges of the microscopic diatoms.

Not exact matches

Scherer would later find dozens of crushed diatom shells in his samples — possible remnants of microscopic aquatic organisms from when the site of Lake Whillans was a shallow seafloor.

Cores taken from under the open ocean are often stained green from microscopic plants called diatoms that settle to the seafloor after dying, but this core contained none.

He spotted the glassy shards of ancient diatom shells — the remains of microscopic phytoplankton that lived here at warmer times in the past, when a shallow sea covered much of West Antarctica.

For the ocean's tiny grazing animals, the microscopic algae called diatoms are a favorite food — and like most delicacies, they are turning out to be hazardous.

A glassy object snapped into focus — a round disk, serrated on the edge, perforated with dimples — the shell of an aquatic microscopic organism called a diatom.

One beneficiary of this young researcher exchange program was Matthew Julius, who studies the evolution of diatoms, a group of microscopic algae, now at St. Cloud State University in Minnesota.

The first took place from June to August 2011, when large numbers of diatoms (a type of microscopic alga) bloomed near the surface, then sank rapidly to the seafloor.

Moser is an expert in diatoms, which are microscopic algae that have cell wall made of opaline silica.

Diatoms are microscopic algae that have cell wall made of opaline silica.

Diamotaceous Earth is a fine white powder, made from crushed shells of microscopic aquatic creatures called Diatoms.

It's actually the microscopic, fossilized remains of very tiny sea organisms known as diatoms.

DE is composed of finely ground Diatoms which are one celled microscopic algae whose walls consist of two parts and contain a mineral called silica.

Diatomaceous earth, sometimes referred to as «DE,» is a natural substance that is actually created from the remains of diatoms, microscopic water plants that are like algae.

The biggest clues came as corpses: particularly, the remains of microscopic algae known as diatoms and chrysophytes, whose glassy scales preserve extremely well in lake sediment.