Examlex
Which pattern of natural selection is most common in patchy (nonuniform) environments?
Skin
The outer protective layer of the body that acts as a barrier against environmental elements and pathogens.
Laminectomy
The removal of a portion of the vertebral posterior arch.
Vertebra
A bone in the spine (also known as a spinal bone) that encloses and protects the spinal cord, while also providing structural support to the body.
Back Pain
Back pain is discomfort or pain felt in the back, which can be acute or chronic, and can result from various factors such as injury, activity, or some medical conditions.
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