The scientific classification of Pineapple and Goiabeira 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. Pineapple and Goiabeira kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Pineapple and Goiabeira family is a major factor of Pineapple and Goiabeira 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. Pineapple belongs to the family Bromeliaceae and Goiabeira belongs to the family Myrtaceae.
While comparing scientific classification, Pineapple and Goiabeira genus and other classification are also important. Also, when you compare Pineapple and Goiabeira, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Ananas and other plant's genus is Psidium guajava. Pineapple tribe is Not Available and Goiabeira tribe is Myrteae. Pineapple clade is Angiosperms, Commelinids and Monocots and order is Bromeliales whereas Goiabeira clade is Angiosperms, Eudicots and Rosids and order is Myrtales. Every plant have subfamilies. Pineapple subfamilies are, Bromelioideae and Goiabeira subfamilies are Myrtoideae. In this way you can compare scientific classification of Pineapple and Goiabeira and other products also.