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Marine Biologist

Tools of the Trade

Scuba gear

Life jackets




Logbooks (for recording scads of data)

Tracking equipment (gosh, those sea otters are fast)

Oxygen supply (humans don't have gills—yet)

Radio receiver (great to keep in touch with teammate whom you'd rather deep-six)

Stopwatch (how long have I been watching these penguins lay eggs?)

Ability to tread water