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