Marine Biologist: history and fun facts
Everything a curious kid might want to know about this job.
Did you know?
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Octopuses have three hearts! Marine biologists study them to learn how ocean animals move and live.
Through history
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Long ago
People first looked at the ocean's tiny creatures through simple magnifying glasses. Over time, better microscopes helped scientists see even more.
Tools of the trade
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Microscope
A microscope makes very tiny things look big. Marine biologists use it to see little sea creatures that are too small for our eyes.
A day in the job
- 8:00 AMA marine biologist gets ready at the beach or on a boat. They pack water sample bottles and a notebook to collect clues from the sea.
Words to know
- Wetsuit
- A wetsuit is a snug, stretchy suit that keeps you warm when you swim in the cold ocean. It helps marine biologists stay cozy while they dive.
Quiz time
Marine biologists study ocean animals and plants.
Marine biologists only work on land, never in the water.