Select the Prefix That Means "Against or Counter

question 37

Multiple Choice

Select the prefix that means "against or counter."

• A) Sub-
• B) Contra-
• C) Pre-
• D) Meta-

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Definitions:

Choanoflagellate

Single-celled organisms that are considered to be the closest living relatives of animals, characterized by a flagellum surrounded by a collar of microvilli.

Rhizaria

A supergroup of mainly unicellular eukaryotes, characterized by their amoeboid movement mechanism and often elaborate shells.

Clades

Groups in a phylogenetic tree that include a single ancestor and all its descendants, representing monophyletic branches.

Motility

The ability of organisms and cells to move spontaneously and actively, consuming energy in the process.