Catalina Schist – Rockin’ Out!
Catalina Schist – Rockin’ Out!

 Time to turn back the clocks…to 100 million years ago! Catalina Island was formed from geological events back in the Mesozoic era when dinosaurs still roamed the Earth. The beautiful flora and fauna of Catalina Island sit on two main types of rock: igneous and metamorphic. Igneous rock is the younger of the two

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Jellies: Squishy Mysteries of the Sea
Jellies: Squishy Mysteries of the Sea

 Jellies are a rare and beautiful surprise on Catalina Island. They drift past surprised snorkelers in our coves, showing off vibrant colors and graceful tentacles as they float by. Although they are not a regular visitor, Catalina Island boasts a wide diversity of jellies ranging from microscopic hydroids to 12-foot Purple-Striped Jellies.   Purple-Striped

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Diatomaceous Earth
Diatomaceous Earth

 All of you know what earth is. Many of you know what phytoplankton are. Some of you know what a diatom is. But what in the world is diatomaceous earth?! First, let’s define what the “diatom” in diatomaceous earth means: diatoms are microscopic phytoplankton, which are incredibly common in all bodies of water. This

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The Island Rule of Island Dwarfism
The Island Rule of Island Dwarfism

 Islands can be pretty awesome places. From the volcanic islands of Hawai’i and the Galapagos, to the mangrove islands of the Florida Keys, to the sandy beaches of the Caribbean, and even the rocky desert islands off the coast of California, islands represent many different types of ecosystems. As different as islands can be,

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What is the Nitrogen Cycle?
What is the Nitrogen Cycle?

 Different parts of our ocean ecosystems, from the shallow water reefs we snorkel in, to the open ocean systems we travel across, to the deepest unknown depths, are connected by biogeochemical cycles. This includes the water cycle that transports water between our oceans, lakes, streams, and atmosphere, as well as the carbon cycle that

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Get in Shape with Fish Forms and Functions
Get in Shape with Fish Forms and Functions

 Fish Forms and Function: Body shapes Did you know: that there are almost 16,000 species of fish in the ocean? Did you know: that you can find fish in every part of the ocean? From the shallows of the beach all the way down to the deepest depths, where no light shines…EVER! The reason

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Ground Squirrel vs. Rattlesnake: Evolutionary Arms Race
Ground Squirrel vs. Rattlesnake: Evolutionary Arms Race

 Evolutionary arms race is a term used to describe escalating adaptations and counter-adaptations between certain predators and preys. When one evolves an adaptation to better defend or attack, it is countered by an even more effective adaptation that cancels out that initial adaptation. This back and forth continues on and on and on and

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