There aren't many creatures as safe and chill as the humble sea sponge, right? Well, not so fast! It turns out there's a whole family of carnivorous sponges that trap and eat small animals using spines and migrating stomaches!

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.

Howcast - At a loss for exciting new Halloween decorations? Attract all the ghosts and goblins in your neighborhood to your yard with these spooky tombstones.

Evolution & Classification of Life | From Single Celled Bacteria to Humans

Discover an animal with no eyes, mouth or heart.
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Material processes - Classifying materials - Propertie
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Learning Points
Porous materials are absorbent due to tiny por
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This live-action video program is about the word benthos. The program is designed to reinforce and support a student's comprehension and retention of the word benthos through use of video footage, photographs, diagrams and colorful,...