Vertebrates+and+Invertebrates

Invertebrates do not have a back bone, and vertebrates do have a backbone.



Vertebrates have 5 major groups:
 * mammals - Hair and internal fertilization. Examples - humans, rabbits, lions
 * reptiles - Dry skin, armored, and internal fertilization. Examples - turtles, lizards, alligators
 * amphibians - Wet skin and external fertilization. Examples - frogs, salamanders
 * birds - Feathers, wings, hollowed bones, and internal fertilization. Examples - eagles, robins, parrots
 * fish - Scales, fins, tails, and external fertilization. Examples - trouts, salmon, sharks



Key words:
 * Differentiate - to tell the difference between
 * Classify - to group together
 * Invertebrates - organisms that do not have a backbone
 * Vertebrates - organisms that have a backbone

 Extra Information: [|5 Classes of Vertebrates]

 Sources: AP Biology notes [|Starfish picture] [|Parrot]