WebA _____ is a chordate but not a vertebrate. Biology A _____ is a chordate but not a vertebrate. Lancelet Echinoderm Bird Fish Answer: Lancelet. Note: This Question is … WebAdult lancelets retain all five key characteristics of chordates: a notochord, a dorsal hollow nerve cord, pharyngeal slits, an endostyle, and a post-anal tail. The lancelets are named for their bladelike shape. Lancelets are only a few centimeters long and are usually found buried in sand at the bottom of warm temperate and tropical seas.

Chordate Definition, Characteristics, & Facts Britannica

WebCorrect option is C) Amphioxus also known as lancelet is a fish-like marine chordate. Unlike vertebrates, the dorsal nerve cord is not protected by bone but by a simpler notochord made up of a cylinder of cells that are closely packed to form a toughened rod. The lancelet notochord, unlike the vertebrate spine, extends into the head and ... WebHe actually doesn't classify it as a vertebrate, just a chordate. Chordates are known to have spinal chords be their main attraction. But to be classified you also need a skull, a post-anus tail at one point in one's life cycle, the ability to make mucus, and other minor details. The hagfish, while not containing most of these has at least a ... factory orders census

The Evolution of Fish: The Backbone to Life as We Know It

WebMar 28, 2024 · chordate, any member of the phylum Chordata, which includes the vertebrates (subphylum Vertebrata), the most highly evolved animals, as well as two other subphyla—the tunicates (subphylum Tunicata) and cephalochordates (subphylum … echinoderm, any of a variety of invertebrate marine animals belonging to the phylum … WebInvertebrate chordates are the animals of phylum Chordata that have notochord at the point of their growth, but invertebrate chordates don’t have a backbone. A notochord is a rod-like structure that helps as a very important function and is attached to their muscles. In humans who are vertebrate chordates, the notochord is replaced with a ... Weba. In cephalochordates, notochord extends from head to tail and it is present throughout their life. b. All vertebrates are chordates but all chordates are not vertebrates. c. Central neural system is dorsal and solid. d. Chordates are divided into two subphyla, Agnatha and Gnathostomata. Q. does virus slow down computer