Cyanobacteria

question 31

Multiple Choice

Cyanobacteria

• A) are a form of algae.
• B) are prokaryotes.
• C) use hydrogen sulfide as an electron source.
• D) are eukaryotes.
• E) contribute to global CO₂ buildup.

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Definitions:

Scapula

A flat, triangular bone located in the upper back, part of the shoulder girdle.

Humerus

A long bone in the arm or forelimb that runs from the shoulder to the elbow.

Glenoid Cavity

A shallow depression on the lateral surface of the scapula that articulates with the head of the humerus to form the shoulder joint.

Articulates

Joints or points of connection between bones in the skeletal system.