Calcium Carbonate Shells and Thread- Like Pseudopods Are Characteristic of

question 83

Multiple Choice

Calcium carbonate shells and thread- like pseudopods are characteristic of

• A) radiolarians.
• B) euglenids.
• C) excavates.
• D) foraminiferans.
• E) alveolates.

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Definitions:

Carboxylic Acid

Organic compounds characterized by the presence of a carboxyl group (-COOH), with acidic properties, making them able to donate a hydrogen ion to solutions.

Butanenitrile

An organic molecule also known as butyronitrile, a nitrile derivative of butane.

Wavenumber

A unit of frequency used in spectroscopy, representing the number of waves per unit distance.

Arrow Pushing

A technique used in organic chemistry to describe the movement of electrons during chemical reactions.