初中科学中小学衔接课程：植物的分类.pptx

;“碧玉妆前一树高，万条垂下绿丝绦”是对乔木高大形象的吟诵；“离离原上草，一岁一枯荣”是对草本植物生命力旺盛的咏叹；“苔花如米小，也学牡丹开”是对苔藓植物自强不息生命精神的赞赏；“岁寒，然后知松柏之后凋也”是对针叶林经受苦寒的敬佩……在古人的诗词中我们认识了很多植物及它们的形态特点。;任务一：收集校园植物信息，尝试分类;任务二：确定植物科学分类依据，逐级分类;问题4：这些植物都有六大器官吗？它们生活环境如何？;植物;1a有种子···············2

1b无种子···············3

2a种子有包被·············4

2b种子无包被···········植物A

3a有茎和叶··············5

3b无茎和叶············植物B

4a水生··············植物C

4b陆生··············植物D

5a有根··············植物E

5b无根··············植物F;1a有种子·········2

1b无种子·········3

2a种子有包被·······4

2b种子无包被·····植物A

3a有茎和叶········5

3b无茎和叶······植物B

4a水生········植物C

4b陆生········植物D

5a有根········植物E

5b无根········植物F;1a有种子………………P

1b无种子………………2

2a有叶…………………3

2b无叶…………………Q

3a有根…………………R

3b无根…………………S;一分为二逐级分类