Which Two Plants of the Carboniferous Period Contributed to the Formation

question 17

Multiple Choice

Which two plants of the Carboniferous period contributed to the formation of today's coal deposits?

• A) lichens and true mosses
• B) hornworts and liverworts
• C) horsetails and club mosses
• D) whisk ferns and true mosses
• E) angiosperms and gymnosperms

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Definitions:

Rectus Abdominis

A paired muscle extending along the front of the abdomen that is important for posture and involved in flexing the spine.

Pulmonary Veins

The veins that carry oxygenated blood from the lungs back to the left atrium of the heart.

Bronchial Arteries

Arteries that provide oxygenated blood to the bronchi and connective tissue of the lungs.

Abdominal Aorta

The largest artery in the abdominal cavity, supplying blood to most of the abdominal organs.