Page 12 - Science Course 2 (Book 1)
P. 12

Mo1-L1b:  How Do Animals Adapt To Their Environment?






                 Mo1-L1b      How Do Animals Adapt To Their       Endoskeleton
                              Environment?
                                                                  the internal rigid framework that supports humans
                                                                  and other animals.
                KEY CONCEPTS:
                1. How are animal species adapted to their
                    environments?




                            Vocabulary A-Z

                            Let us learn some vocabulary
                                                                  Let’s Begin


               Adaptation

               an inherited trait that increases an organism’s    Animal Adaptations
               chance of surviving and reproducing in a particular
               environment.                                       An adaptation is an inherited trait that increases a
                                                                  species’ chances of surviving and reproducing in its
                                                                  environment.








               Hydrostatic skeleton                               Animal adaptations can be structural, behavioral, or
                                                                  functional.
               a fluid-filled internal cavity surrounded by muscle
               tissue.








                                                                  • Large Eyes
                                                                  • Asymmetrical ears  • Talons
                                                                  • Disk-shaped face  • Silent feathers

                                                                  Animal species have structural adaptations that
                                                                  include their senses, skeletons, and circulation.
               Exoskeleton

               a thick hard outer covering; protects and supports an   A hydrostatic skeleton is
               animal’s body.                                     a fluid-filled internal cavity
                                                                  surrounded by muscle tissue.
                                                                  Jelly fish have hydrostatic
                                                                  skeletons.













                                                                                                                  5
   7   8   9   10   11   12   13   14   15   16   17