Single- Celled Algae That Are Major Producers of Oxygen and Whose

question 57

Multiple Choice

Single- celled algae that are major producers of oxygen and whose cell walls are useful in a variety of products for humans are the

• A) kelps.
• B) conidia.
• C) diatoms.
• D) cysts.
• E) ciliates.

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Definitions:

Coccyx

The small, triangular bone at the base of the spinal column, composed of three to five fused vertebrae; commonly known as the tailbone.

Odontoid Process

A peg-like projection from the second cervical vertebra (axis) around which the first cervical vertebra (atlas) rotates, enabling head rotation.

Cervical Vertebra

The vertebrae located in the neck region, which support the skull and enable various head movements.

Spinous Process

A bony projection off the posterior (back) of each vertebra, which serves for muscle attachment and movement of the spine.