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Science  Year 5  Practice 3  Animals

                  3.3   Food Relationship among Living Things

                  A 	 Diagram	below	shows	a	food	web.








                                                           Cow
                           预备,起!科学5, 版权所有·侵权必究







                          Grass                                                              Tiger
                                                          Deer












                                                           Zebra


                	 1.	 Give	the	meanings	of:	  PL 2
                     (a)	 Food	chain




                     (b)	 Food	web




                	 2.	 Based	on	the	diagram	above,	which	is	the	producer?	  PL 3




                	 3.	 How	many	food	chains	are	there	in	the	diagram	above?




                	 4.	 What	would	happen	if	all	of	the	tigers	in	the	area	die?	  PL 5 	  HOTS  Evaluating







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