Phylum Annelida Annelids are members of the Superphylum Lophotrochozoa. The division of the Phylum is in three classes Hirudineans (leeches), Oligochaetes (earthworms) and Hirudinean (Polychaetes and leeches). They inhibit marine aquatic with Parapo Continue Reading...
Earthworms are hermaphrodites since they can generate both sperm and eggs. Mating involves 2 earthworms inseminating each other where sperms are exchanged. The male and female sexual cavities are located near the clitellum. They connect the lower e Continue Reading...
Kingdom: Animalia Phylum: Nematoda Part 2: Answer the following questions as they relate to the nine phyla in the assignment table. (Porifera, Cnidaria, Nematoda, Arthropoda, Platyhelminthes, Annelida, Mollusca, Echinodermata, and Chordata.) 1. Continue Reading...
Living organisms are subdivided into 5 major kingdoms, including the Monera, the Protista (Protoctista), the Fungi, the Plantae, and the Animalia. Each kingdom is further subdivided into separate phyla or divisions. Generally "animals" are subdivided Continue Reading...
Phyla and Parasites Ten Phyla: Phylum Mollusca ~ Living Species Number: World: at least 50,000; United States: Approximately 20,000; Texas: More than 2,000; Number of Fossil Forms: 150,000 Phylum Brachiopoda ~ Living Species Number: World: 400; U Continue Reading...
Structure of Animals Two animal phyla that can be compared and contrasted are Nematoda and Annelida. Nematoda are roundworms. There are more than 15,000 known species, with scientists estimating there may be as many as half a million species yet to Continue Reading...
Like most other animals, the artic fox's cot changes to reflect the summer arctic habitat, becoming a brown or gray color that matches the summer environment (National Geographic, 2008). The photograph by Norbert Rosing (National Geographic, 2004), Continue Reading...
