The Bilaterally Symmetrical Larval Form Found in Many Crustaceans Is

question 50

Multiple Choice

The bilaterally symmetrical larval form found in many crustaceans is called a

• A) trochophore.
• B) nauplius.
• C) planula.
• D) caterpillar.
• E) polyp.

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Definitions:

Superior Articular

Superior articular refers to the upper joint surface of a bone that articulates with another bone to form a joint, facilitating movement.

Vertebral Foramen

The central opening in each vertebra through which the spinal cord passes, providing canal-like protection.

Nucleus Pulposus

Soft central portion of the intervertebral disk.

Herniated Disc

A condition where the soft center of a spinal disc pushes through a crack in the tougher exterior casing, often leading to pain and nerve irritation.