What Are Porifera? | Learn all about sea sponges

Did you know that sea sponges aren't plants but animals? This video for kids provides some interesting facts about the least advanced group of animals in the world. Sponges can live for up to 200 years. But did you know that when a piece of a sponge is broken off, it will grow to become a new sponge? This is fragmentation and is a form of asexual reproduction.

Some porifera are carnivorous, meaning they only eat meat. And their favorite food is crab. That’s probably because crabs are the easiest for them to catch. When a crab scuttles over a sponge, the sponge can detect the crab with its spicules. Spicules are Velcro-like structures that cause the crab’s legs to stick to the sponge. Every cell in a sponge is independent. So even when it “eats” the crab, each cell works independently to digest the food.

We hope you and your student(s) enjoyed learning about the animals of this phylum! If you want to learn even more, head over to our website and download one of our many lesson plans about animals, full of activities, worksheets, and more!

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What you will learn in What Are Porifera?:
0:00 Introduction
0:56 Anatomy of porifera
1:43 Process of fragmentation
2:27 Carnivorous porifera
3:46 Review of the facts

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