Page 49 - Science Course 3 (Book 1)
P. 49

Mo2-L1b: How Do Living Organisms Interact?





                                  How Do Living Organisms         Predation
                 Mo2-L1b                 Interact?                the act of one organism, the predator, feeding on
                                                                  another organism, its prey.
               KEY CONCEPTS:
               1. In what ways do living organisms interact?




                            Vocabulary A-Z

                            Let us learn some vocabulary


               Niche
               the way a species interacts with abiotic and biotic   Symbiosis
               factors to obtain food, find shelter, and fulfill other   a close, long-term relationship between two species
               needs.
                                                                  that usually involves an exchange of food or energy.












                Flamingos    Dabbling     Avocets     Oyster-
                 feed by       ducks      feed on    catchers
                 straining    feed on     insects    pry open
                   mud        plants                  shells.
                 through
                 their bills
               Let’s Begin                                        Giraffes, kudus, and steenboks have different niches.
                                                                  Each has a different way of using the resources.

               Interactions of Living Things

               More than one population can live in the same
               habitat because each species has a different way of
               using the resources.

               A niche is the way a species interacts with abiotic
               and biotic factors to obtain food, find shelter, and
               fulfill other needs.




                                                                            A predator is an organism that hunts and
                                                                                      kills other organisms for food.













                                                                                                                  41
   44   45   46   47   48   49   50   51   52   53   54