Chordata 0.0 / 5 ? OtherLife on EarthUniversityNone Created by: MariaC5Created on: 23-04-18 07:49 How many key traits do Chordates have? 4 1 of 24 The notochord is found in what stage of a chordates life? Embryonic 2 of 24 The notochord is ... Flexible 3 of 24 What shape is the notochord? Rod 4 of 24 In most adult vertebrates the notochord is replaced by what? Vertebral column (spine) 5 of 24 The dorsal hollow nerve cord derives from what? Ectoderm 6 of 24 In vertebrates the dorsal hollow nerve cord is modified into what? The Central Nervous System 7 of 24 Pharyngeal slits are openings in what? The Pharynx 8 of 24 In aquatic environments pharyngeal slits allow for what? The exit of water that enter the mouth during feeding 9 of 24 In some invertebrate chordates pharyngeal slits are used for Filter feeding 10 of 24 In vertebrate fishes pharyngeal slits develop into Gill arches 11 of 24 In terrestrial animals the pharyngeal slits develop into Both the jaw and inner ear 12 of 24 Posterior elongation of the body, extending beyond the anus is known as? The post-anal tail 13 of 24 The post-anal tail contains what? Skeletal elements and muscles 14 of 24 In aquatic species the post-anal tail provides what? A source of locomotion 15 of 24 In humans and apes the post-anal tail is only present in what stage? Embryonic 16 of 24 The sub-phylum Vertebrata have A backbone made of cartilage or bone and an encased brain 17 of 24 Tunicates are... An invertebrate sub-phyla of Chordata 18 of 24 Lancelets are.. An invertebrate sub-phyla of Chordata 19 of 24 Tunicates are what kind of feeders? Filter 20 of 24 Most adult Tunicates are Sessile 21 of 24 Sea squirts, Thaliaceans and Larvaceans are major groups of... Tunicates 22 of 24 What is the Coelom he space between two layers of mesoderm – the body cavity 23 of 24 Organs can grow without being pressed by the body wall is an advantage of what? The coelom 24 of 24
Comments
No comments have yet been made