The scientific classification of Corn and Apple Tree includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. Corn and Apple Tree kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Corn and Apple Tree family is a major factor of Corn and Apple Tree Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. Corn belongs to the family Poaceae and Apple Tree belongs to the family Rosaceae.
While comparing scientific classification, Corn and Apple Tree genus and other classification are also important. Also, when you compare Corn and Apple Tree, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Zea and other plant's genus is Malus. Corn tribe is Andropogoneae and Apple Tree tribe is . Corn clade is Angiosperms, Commelinids and Monocots and order is Poales whereas Apple Tree clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Corn subfamilies are, Panicoideae and Apple Tree subfamilies are . In this way you can compare scientific classification of Corn and Apple Tree and other products also.