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):
The characteristics of phylum nematoda are usually pseudocoelomates, they may be monoecious or even dioecious.
By the end of this section, you will be able to: * Describe the distinguishing characteristics of echinoderms * Describe the distinguishing characteristics of chordates. The phyla Echinodermata and Chordata (the phylum in which humans are placed) both belong to the superphylum Deuterostomia.