Which Is the Least Likely Way in Which an Aquatic

question 95

Multiple Choice

Which is the least likely way in which an aquatic species might be accidentally introduced into U.S.waters?

• A) Released in ballast water
• B) In a contaminated cargo shipment
• C) In infected fishing gear
• D) Dumped with aquarium water
• E) Attached to the hull of a ship

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Definitions:

White Matter

Central nervous system tissue consisting primarily of myelin-wrapped axons.

Myelinated Axons

Axons that are covered with a fatty substance called myelin, which increases the speed at which electrical impulses propagate along the nerve cell.

Cephalization

Evolutionary trend whereby neurons that detect stimuli and process information become concentrated in the head of a bilateral animal.

Planarian Flatworms

A group of free-living flatworms known for their remarkable regenerative abilities, commonly used in research on regeneration and stem cells.