How Might We Tell Whether the Universe Is Open or Closed

question 40

Short Answer

How might we tell whether the universe is open or closed?

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Definitions:

Contractile Vacuole

An organelle found in some protozoa, which expels excess liquid on contraction.

Euglenoids

A diverse group of unicellular protists, often with photosynthetic capabilities, belonging to the genus Euglena.

Excess Water Removal

The process by which organisms eliminate surplus water to maintain fluid balance, often involving specific organs like kidneys in humans.

Protists

A diverse group of eukaryotic microorganisms, which are neither plants, animals, nor fungi, and may be unicellular or multicellular.