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.
All members of the phylum Chordata share 4 characteristics at some time during their life cycle: l) a dorsal, hollow nerve cord which is derived from surface ectoderm, 2) a solid notochord derived from mesoderm, 3) pharyngeal gill slits, and 4) a post-anal tail.