Convert time to seconds in Excel. Converting time to total seconds is done in the same fashion-you multiply the time value by 86400, which is the number of seconds in a day (24 hours * 60 minutes * 60 seconds = 86400):
Nematoda (nematodes, eelworms, threadworms, roundworms; phylum Aschelminthes) Class of aschelminth worms (a phylum in some classifications) which vary greatly in size, from about 1 mm to 5 cm. The cuticle has flanges, and may also have ridges or spines.
Chordata is a phylum in the classification system used in biology.  Characteristics of organisms in the phylum Chordata is that they  have a nerve, or spinal, cord and phara â¦ ngeal slits.3 people found this useful.he phylum Chordata is a taxonomic group. All animals which have a  spine, or backbone, are classified in the phylum Chordata.