Join the Amoeba Sisters in exploring some general animal characteristics, major vocabulary used in classifying animals (such as symmetry, protostome vs deuterostome, cephalization, and coelom), and take a general tour of 9 major animal...

Earthworms may be good for your garden, but they also have the potential to disrupt forest ecosystems across much of North America.

Earthworms may be good for your garden, but they also have the potential to disrupt forest ecosystems across much of North America.

Now that we are familiar with the characteristics of annelids, let's zoom in on the polychaetes, which are the segmented marine worms. What do these worms do in the sea all day long? How are they different from land worms? Let's get a...

Moving on from Mollusca we arrive at another very large clade, Annelida. These are the segmented worms, like the common earthworm, as well as marine worms and leeches, and a bunch of other organisms. What are these all about? Let's...

Soon we are going to dive into a study of all the different kinds of animals, but first we need some kind of road map. What are all the major divisions of Kingdom Animalia? Below kingdom is phylum, so how many animal phyla are there, and...

Biological Classification Set: This clip introduces the nine major phyla of the animal kingdom.

It's time to start digging into Nephrozoa, which is going to take a really, really, really long time to cover. The first major clade within that we will tackle is Spiralia. This includes well-known phyla like Mollusca and Annelida, but...

Biological Classification Set: This clip looks at the three major phyla of worms: the Platyhelminthes, Nematoda and Annelida. As well as examining the phylum Mollusca.