One Proposed Mechanism for the Evolution of Multicellularity Involves an Ancestral

question 24

Multiple Choice

One proposed mechanism for the evolution of multicellularity involves an ancestral multinucleate cell in which plasma membranes formed between nuclei,resulting in a multicellular organism.This proposed mechanism is referred to as the __________ hypothesis.

• A)colonial
• B)coenocytial
• C)polyphyletic
• D)metazoan
• E)synthetic

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Definitions:

Water

A clear, flavorless, scentless, and almost colorless substance that forms the primary part of the Earth's hydrosphere and the liquids within most living beings.

Hydrobromic Acid

A strong acid formed by dissolving the diatomic molecule hydrogen bromide (HBr) in water.

Strong Acid

An acid that completely dissociates into its ions in water, releasing all of its hydrogen atoms as hydrogen ions.