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Chapter 24, Animal Diversity Study Guide

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
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Define nerve cord   show
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Define notochord   show
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Define post-anal tail   show
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What are the four features that all chordates possess at some stage of their lives?   show
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What three clades make up chordates?   show
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show an animal that has a skull  
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Define cartilage   show
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show an animal that has a vertebral column  
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show a column of serially arranged skeletal units (the vertebrae) that enclose the nerve cord in vertebrates; the backbone  
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What are the major characteristics of hagfishes?   show
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What are the major group of vertebrates?   show
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What are the major characteristics of a lamprey?   show
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Where is the most diversity of vertebrates found?   show
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Why is it said that amphibians lead a "double life"?   show
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What are the characteristics of a salamander?   show
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What is a special quality of salamanders?   show
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What are the three adaptations of reptiles to be on land?   show
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show the egg of reptiles, including birds; contains a membrane, the amnion, that surrounds the embryo, enclosing it in a watery environment and allowing the egg to be laid on dry land  
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show one of the embryonic membranes of reptiles (including birds) and mammals; encloses a fluid-filled cavity that envelops the embryo  
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What adaptations give birds the ability to fly?   show
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show a milk-producing gland used by female mammals to nourish their young  
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What are the advantages of a highly developed brain?   show
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Define monotremes.   show
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What are the two species of monotremes?   show
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Define placenta.   show
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show a clade which includes mammals whose young are born at an extremely immature stage and undergo further development in a pouch where they remain attached to a mammary gland; kangaroos, oppossums, and marsupials  
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Define placental.   show
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What groups have two-chambered hearts? Four-chambered hearts?   show
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Created by: saskurja
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