What is the Kingdom for sponges cnidarians Ctenophores and marine worms?

Animal kingdom(sponges, cnidarians, worms)

Which aquatic organisms includes worms and sponges?

Corals, sponges, and worms are common words to our ears, but scientists would call them cnidarians, poriferans, and annelids. They each have their own phylum and each phylum is extremely diverse. One thing they all have in common is that they are ancient and simple biological organisms.

How are worms different to cnidarians?

They all have long, narrow bodies without legs. All worms also have tissues, organs, and organ systems. Worms have bilateral symmetry. Unlike sponges or cnidarians, worms have distinct head and tail ends.

How does the body plan of a cnidarian differ from that of sponge?

Sponges vs Cnidarians One interesting difference between sponges and cnidarians is that sponges lack tissue while cnidarians have tissues but not the organ systems. Sponges and Cnidarians are very primitive acoelomic invertebrates with very simple body structures. Both organisms are found in aquatic ecosystems.

Where are sponges and cnidarians found in the ocean?

But right now, we’re going to focus on two much smaller marine invertebrates: sponges and cnidarians. Sponges are aquatic invertebrates with squishy, porous bodies. They can be found on the seafloor and atop rocks. They are among the oldest species on Earth, and scientists have discovered some sponge fossils older than dinosaurs.

Can a sponge live for thousands of years?

That’s right, some sponges can live for thousands of years. While most people are familiar with sponges, they may be left scratching their heads at the mention of cnidarians, a phylum of aquatic invertebrates that includes everything from coral to jellyfish.

How many species of Cnidarians are there in the world?

There are more than 9,000 species of cnidarians, and they have different structures, aquatic habitats, and ways of acquiring food. However, most cnidarians, like their friends the sponges, feed on microorganisms. Some filter water through their pores to collect food.

How do sponges and jellyfish get their food?

However, most cnidarians, like their friends the sponges, feed on microorganisms. Some filter water through their pores to collect food. Others, like jellyfish, use spiny barbs that contain venom to disable their prey.