A 500-Million-Year-Old Fossil from the Cambrian Shows What Appears to Be

question 60

Short Answer

A 500-million-year-old fossil from the Cambrian shows what appears to be a two mirror images of a marine invertebrate.This animal is likely an ancestral _______.

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Definitions:

Exudate

Material, such as fluid and cells, that has escaped from blood vessels during the inflammatory process and is deposited in tissue or on tissue surfaces.

Skin Tear

A wound caused by shear, friction, and/or blunt force resulting in separation of skin layers.

One-Person Assist

A method where a single caregiver provides support or assistance to a patient for mobility or transfer tasks.

Transparent Dressing

A thin, clear, adhesive covering used in medical settings to protect wounds or IV sites, allowing direct visual assessment without removal.