山顶洞人与北京人相比，在体形和生产上生活上有哪些进步？



                                                                                                                                                            



                                                                                                                                                            



                                                                                                                                                            



                                                                                                                                                             



                                                                                                                                                             



                                                                                                                                                             

,答案,

（1）体形上：北京人还保留了猿的某些特征；山顶洞人的模样和现代人基本相同。
（2）生产上生活上：①北京人打制粗糙的石器；山顶洞人仍用打制石器，但已掌握磨制和钻孔技术。②



    北京人使用天然火；山顶洞人已会人工取火。③山顶洞人靠采集、狩猎为生，还会捕鱼。④山顶洞人



    已用骨针缝制衣服，懂得爱美，他们死后还要埋葬。⑤北京人过着原始群居生活；山顶洞人的集体是



    由血缘关系结合起来的氏族。