<p>Unit 11 Note-Taking Worksheet—Vertebrates</p><p>Chapter 14 Section 1: Chordates  animals with these characteristics o ______. firm but flexible tube that extends along upper part of body o ______o ______o ______ chordates include ______o have all the ______characteristics o also have: . Endoskeleton  ______skeleton  made of bone & ______. Backbone  made of ______ replaces ______ protects ______cord . Skull  protects ______o Vertebrates grouped based on body temperature regulation . Ectotherms  body temperature ______with surroundings  “______-blooded” . Endotherms  ______their own body temperature; stays constant  “______-blooded” o 5 groups of vertebrates . ______. ______. ______. ______. ______</p><p>Section 2: Fish  ______ ______ ______o ______structures attached to the endoskeleton  ______o hard, thin ______that cover the skin o well-developed ______system . Ex. sharks & ______o exchange ______and oxygen through ______o adaptations for obtaining ______. teeth, ______, electric shock, filter feeding o reproduce ______. some ______, some ______fertilization o Different groups of fish . ______fish . ______fish . ______fish o Jawless Fish . no ______bones, ______endoskeleton . ______, ______mouths . ______, tube-like bodies . no scales, ______skin . ______, Lampreys o Cartilaginous Fish . ______endoskeleton . ______bones with well-developed ______. ______scales, ______-papery skin . Sharks, ______, Rays o Bony fish . ______group . ______endoskeleton . ______. 3 groups  Lobe-finned  Lungfish  Ray-finned</p><p>Section 3: Amphibians  means “______”  ______ hibernation o during ______weather  estivation o during ______weather  ______, ______skin  ______ breathe through ______or saclike ______ Amphibian reproduction o ______o ______fertilization . female ______eggs, male ______sperm over eggs o eggs don’t have a protective ______—require ______ Metamorphosis o ______in ______form o ______o occurs in ______amphibians  Groups of Amphibians o Frogs & Toads . ______legs . no ______or ______. ______attached to ______of mouth o Salamanders & Newts . long, ______bodies . ______</p><p>Section 4: Reptiles  ______ ______, ______waterproof skin  ______ breathe with ______ Reproduction o ______fertilization . male fertilizes female . female lays eggs o ______eggs . covered with ______& contain everything needed for development  Groups of Reptiles o Lizards & Snakes . ______jaws . lizards have moveable ______& legs with clawed toes o Turtles . two-part ______. no ______o Crocodilians . ______in shape . large ______on backs . ______for young Chapter 15 Section 1: Birds  ______ ______ Lay ______o ______fertilization o hard ______o ______—______of eggs o eggs have to be ______ ______o used for ______o ______o ______ ______bones o helps in ______ Different feathers o ______—gives ______, used for ______o ______—______o ______—process of conditioning feathers  Body Systems o Digestive system . ______& ______o Respiratory System o Circulatory System  Evolution o scientists think birds evolved from ______o both have ______o ______show similarities Section 2: Mammals  ______ ______& ______o skin covered with ______or ______o ______glands o produce ______o ______, ______, & ______glands  Teeth o ______types for different ______of feeding  Reproduction o ______o usually ______birth o ______young o ______for young  Types of Mammals o based on how their young ______. ______ lay ______. ______ ______birth, but babies develop in a ______. ______ embryo completely develops inside ______ ______—organ that absorbs ______& ______from mother’s blood</p>