Webb9 apr. 2024 · Figure 29.1. 4: The lancelet, like all cephalochordates, has a head. Adult lancelets retain the four key features of chordates: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Water from the mouth enters the pharyngeal slits, which filter out food particles. The filtered water then collects in the atrium and ... WebbHow can you tell tunicates and lancelets are protochordates? Sea squirt (tunicate) larva has a dorsal nerve cord, a notochord, and gill slits, which identify this animal as a …
Hagfish Flashcards Quizlet
WebbWhat are hagfish known for having the ability to create when disturbed? Unlike other vertebrate, how are the body fluids of hagfish different? What are some peculiarities with hagfishs' anatomy? They have a low-pressure circulatory system, with three accessory hearts in addition to the main heart. Webb8 juni 2024 · Figure 29.1 C. 1: Hagfish: Although it lacks a backbone, the hagfish is a member of the Craniata clade because it possesses a bony skull. Figure 29.1 C. 1: Clade Craniata: Craniata, including this fish (Dunkleosteus), are characterized by the presence of a cranium, mandible, and other facial bones. Vertebrates are members of the … rainbow bee-eater epbc
Chapter 34 Flashcards Chegg.com
Webb8 aug. 2024 · Lancelets and hagfish are Multiple Choice both vertebrates. common ancestors to bony fish. jawless. - Brainly.com 08/08/2024 Biology High School … WebbLancelets and hagfishes are equally related to cartilaginous fishes O b. Lampreys are more closely related to hagfishes than to amphibians O c. Amphibians are more closely … Webb26 aug. 2010 · Echinoderms. Echinodermata are named for their spiny skin (from the Greek “echinos” meaning “spiny” and “dermos” meaning “skin”). The phylum includes about 7,000 5 described living species, such as sea stars, sea cucumbers, sea urchins, sand dollars, and brittle stars. Echinodermata are exclusively marine. Adult echinoderms ... rainbow bee eater bird photos