Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction.

Talk Show all-star Kallie Moore returns to tell us about the exciting things happening over at Eons, and Jessi stops by with not one but two poke-y guests!

You might have noticed that sea urchins sometimes make some interesting fashion choices, covering themselves with all sorts of odds and ends, and it turns out they have a lot of different reasons for doing this.

Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction. Chapters 0:00 0:05 0:11 0:17 0:23 0:29

In this video Paul Andersen explains how ecosystems function. He begins with a description of how life on the planet is ordered from large to small in biomes, ecosystems, communities, population, and individuals. He describes the major...

Hidden beneath the surface of our coastal seas are towering forests - of kelp. These underwater ecosystems are as crucial to our environment as their land-based counterparts. We explore them alongside conservationists working to restore...

The people of ancient Rome may have lived thousands of years ago, but their diets were anything but old-fashioned. In fact, they chowed down on many foods we would shudder to even consider consuming today. The rich and famous, ranging...

This video provides a brief introduction to the characteristics and diversity of echinoderms, such as starfish, sea urchins, and sea cucumbers. This video is part of the 11-part series, Classifying Animals.

On this episode of Beyond the Tide, Coyote and the crew go tide pooling off the coast of Hawaii’s most majestic island, Kauai! The Hawaiian Islands, a well known divers paradise, boast some of the most amazing collections of marine life...

On this episode of Breaking Trail, Coyote attempts to pickup and hold one of the spiniest creatures on the planet…the Echidna! Native to Australia, Echidnas are one of only two mammals in the world that actually lay eggs! Is that unique...

Upon viewing the Simple Animals video series, students will be able to do the following: Differentiate between and provide examples of vertebrate and invertebrate animals. Describe the basic body parts of a sponge (porifera). Explain the...

Ocean floor with sea urchins

Sea Urchin.

Sea urchin macro with ambulacral system searching new things.

Sea urchin macro with ambulacral system searching new things.

Sea urchin macro with ambulacral system searching new things.

Urchin crab (Dorippe frascone) carrying a false fire urchin (Astropyga radiata). This crab carries an urchin on its back for protection from predators. Filmed in Lembeh Strait, North Sulawesi, Indonesia

Jellyfish wrapped around spine of Sea Urchin, puts out tentacles in blue water, Australia

Jellyfish wrapped around spine of Sea Urchin, puts out tentacles in blue water, Australia

Jellyfish wrapped around spine of Sea Urchin, puts out tentacles in blue water, Australia

Sea urchin macro in Hawaii Underwater.

Sea urchin in reverse position ambulacral system exposed, with a wave recover natural position and tiny ambulacral feets grab the rock again.

Marine wildlife under the mediterranean sea, algae and echinoids under the reflections of the waves

Marine wildlife under the mediterranean sea, algae and echinoids under the reflections of the waves.