Page 64 - Fish and Amphibians (Britannica Illustrated Science Library)
P. 64

Amphibians                                                                                                              POISONOUS FROG                                         DISTANT KIN   62-63      POISON IN COLOR  72-73
                                                                                                                                  Frogs of the genus
                                                                                                                                  Dendrobates secrete a special                          BETWEEN LAND AND WATER  64-65  AXOLOTL   74-75
                                                                                                                                  type of poison that attacks                            JUMPING ATHLETES  66-67  A VERY PECULIAR TAIL  76-77
                                                                                                                                  the nervous system.
                                                                                                                                                                                         DEEP EMBRACE  68-69      NEWTS   78-79
                                                                                                                                                                                         METAMORPHOSIS  70-71






































































                    ew groups of amphibians have                  skin. All frogs of this genus have                           caecilians) has been their conquest of                  take in oxygen through their skin and
                    generated as much scientific                  spectacular coloring to warn their                           land. This completely transformed the                   lungs. Here you will also discover how
                    interest as frogs of the genus                predators of the danger. One of the most                     extremities of these animals, allowing                  frogs and toads reproduce and how
                    Dendrobates, which produce                    important traits of amphibians (newts,                       them to move on land instead of                         newts feed, among other curious facts.
        F toxic secretions through their                          salamanders, frogs, toads, and                               swimming. They also had to adapt to
   59   60   61   62   63   64   65   66   67   68   69