Which of the Following Was Likely the First Adaptation to Occur

question 34

Multiple Choice

Which of the following was likely the first adaptation to occur during the evolution of the human eye?

• A) A protective cover and internal structures
• B) A depression where information about light and light movement is collected
• C) A simple, light-sensitive photo receptor
• D) Neural machinery for image processing

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Definitions:

Temperature Regulation

The physiological and behavioral processes by which an organism maintains its body temperature within an optimal range.

Sacral

Pertaining to the sacrum, the triangular bone at the base of the spine in between the hip bones of the pelvis.

Thoracic

Pertaining to the chest region of the body, including the thoracic cavity that houses the heart and lungs.

Lumbar

Referring to the lower part of the spine consisting of five vertebrae.