In North America, earthworms are an invasive species. They were brought over with colonizers thinking the worms would benefit the soil in the "new world." While earthworms can be quite helpful to the ground in which they live, they can also cause problems in certain ecosystems such as large northern
Earthworms & leeches, parasitic nematodes, bristle worms, velvet worms, bobbit worms! Dr. Anna J. Phillips, Curator of Parasitic Worms and Protozoa at the Smithsonian's National Museum of Natural History took us back into the invertebrate zoology collection to help shed light on these complex and re
All living things are grouped into 5 kingdoms. In this video we are going to look at the animal kingdom in more detail. There are thought to be over 7.5 million species of animal on planet Earth, of which 900,000 have been described. VISIT us at www.fuseschool.org, where all of our videos are care
Echidnas are egg laying mammals. Along with the platypus, the four living echidna species are classified in the monotreme order. Monotremes are mammals and thus produce milk for their young and create their own heat (along with other mammalian traits) but this unique mammals have a cloaca and lay eg
