Story highlights. (CNN)Brad Pitt and Angelina Jolie are done. But during their 10 years as a couple, they had four children together, in addition to a son and daughter whom Jolie adopted prior to the relationship.
The largest phyla in kingdom animalia are phylums: Mollusca, Porifera, Cindaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata, our own phylum. PHYLUM NEMATODA: Phylum nematoda consists of only roundworms, some that are parasitic.
Phylum Arthropoda. This is the most extensive phylum in the animal kingdom. It is composed of 3/4 of all known species. Approximately 900,000 species of arthropods have been recorded. Included are spiders, scorpions, ticks, mites crustaceans, millipedes, centipedes, insects, and some others.There is an extended fossil record.Arthropods are eucoelomate protostomes with well-developed organ systems.Most species have combined or fused somites and appendages into functional groups called tagmata for specialized purposes. Although all types-carnivorous, omnivorous, and symbiotic-occur, the majority are herbivorous.In diversity of ecological distribution, the arthropods have no rivals.pproximately 900,000 species of arthropods have been recorded. Included are spiders, scorpions, ticks, mites crustaceans, millipedes, centipedes, insects, and some others. There is an extended fossil record. Arthropods are eucoelomate protostomes with well-developed organ systems.