Go to the Quizzes Page Invertebrates and Their Characteristics 0% 72 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 15 Earthworms belong to the phylum ............... Platyhelminthes Porifera Chordata Annelida 2 / 15 What are the stingers on tentacles of the invertebrate Cnidaria called? tissues anemones nematocysts segments 3 / 15 What is true about Cnidarians? They have chordate traits. They have radial symmetry. They are vertebrates. They have body cavities. 4 / 15 .......................... are the simplest invertebrates you have learned about. Platyhelminthes Annelids Cnidaria Porifera 5 / 15 What is true of earthworms? They have long flat bodies. They have bodies made of rings. They are parasites. They are vertebrates. 6 / 15 What type of symmetry do sponges have? asymmetry parallel symmetry radial symmetry bilateral symmetry 7 / 15 They have bilateral symmetry. Some of them are parasites with a flat body shape. Some live in saltwater or freshwater. jellyfish sponges flatworms cnidarians 8 / 15 Which of the following describes the benefit of earthworms. They have a hydrostatic skeleton. They have setae that help the earthworms attach to a surface. They make tunnels that allow air into the soil. They have a mouth to such blood from other animals. 9 / 15 Which structure do earthworms have that help them attach to a surface? stingers setae nematocysts antennae 10 / 15 What is each segment of the earthworm filled with? tissues setae fluid cells 11 / 15 What is true of earthworms? They are parasites. They have bodies made of rings. They are vertebrates. They have long flat bodies. 12 / 15 A(n) ................ is an example of a cnidarian. cat coral earthworm sponge 13 / 15 Of the following, which does NOT have bilateral symmetry? jellyfish fish frogs humans 14 / 15 Flatworms have .................. vertebrates bilateral symmetry asymmetry radial symmetry 15 / 15 Leeches have segmented bodies, meaning they belong to phylum .............................. Cnidaria Platyhelminthes Annelida Porifera Your score is 0% Restart quiz Go to the Quizzes Page