Organisms Whose Sole Source of Carbon for Growth Is CO₂

question 26

Multiple Choice

Organisms whose sole source of carbon for growth is CO₂ are called

• A)lithotrophs.
• B)consumers.
• C)decomposers.
• D)saprophytes.
• E)autotrophs.

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Definitions:

Orbicularis Oculi

A muscle around the eye that allows the eyelids to close.

Zygomaticus

The zygomaticus refers to two facial muscles, the zygomaticus major and minor, which extend from the cheekbone to the corners of the mouth and are responsible for raising the upper lip, contributing to facial expressions such as smiling.

Sternocleidomastoid

A significant muscle in the neck that is involved in the rotation and flexion of the head.

Tibialis Anterior

A muscle in the lower leg that is involved in dorsiflexion and inversion of the foot.