Question Video: Applying the Taxonomic Hierarchy to Classify a Given Organism | Nagwa Question Video: Applying the Taxonomic Hierarchy to Classify a Given Organism | Nagwa

Question Video: Applying the Taxonomic Hierarchy to Classify a Given Organism Biology

The picture provided shows a bamboo plant, which is a monocotyledon. Which of the following is the correct order of taxonomic classification, from largest to smallest, for the bamboo plant? [A] Plantae, Tracheophyta, Angiospermae, monocotyledons. [B] Tracheophyta, Plantae, Angiospermae, monocotyledons. [C] Plantae, Angiospermae, Tracheophyta, monocotyledons. [D] Monocotyledons, Plantae, Tracheophyta, Angiospermae.

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Video Transcript

The picture provided shows a bamboo plant, which is a monocotyledon. Which of the following is the correct order of taxonomic classification, from largest to smallest, for the bamboo plant? (A) Plantae, Tracheophyta, Angiospermae, monocotyledons. (B) Tracheophyta, Plantae, Angiospermae, monocotyledons. (C) Plantae, Angiospermae, Tracheophyta, monocotyledons. Or (D) monocotyledons, Plantae, Tracheophyta, Angiospermae.

There are billions of different organisms on planet Earth. To make these organisms easier to study, scientists use taxonomic classification to order all of these organisms into smaller and smaller groups according to their shared characteristics.

The kingdom is one of the broadest taxonomic groups. A scientist named Whittaker defined five different kingdoms into which he grouped organisms with certain basic similarities. These kingdoms included Monera consisting of all prokaryotic organisms, Protista consisting of eukaryotic unicellular organisms or simple cellular colonies, Fungi, Plantae, and Animalia.

The question tells us that bamboo is a plant, so it will be classified into kingdom Plantae. As the question asks us to find the correct order of taxonomic classification for the bamboo plant from largest to smallest and we know that the kingdom is one of the largest taxonomic groups, we can eliminate options (B) and (D).

Kingdom Plantae still contains millions of different organisms, so scientists classify them further into Tracheophyta, otherwise known as vascular plants, and Bryophyta, otherwise known as nonvascular plants. The vascular plants can be further split into three divisions: Filicatae, which contains ferns, Gymnospermae, which are plants that produce naked seeds, and Angiospermae, which are flowering plants. Angiospermae can be further split into monocotyledons and dicotyledons, which each have their own special characteristics.

The question tells us that the bamboo plant is a monocotyledon, and now we have enough information to answer our question. As the Tracheophyta division is larger than the Angiospermae division, we know that the correct order of taxonomic classification for the bamboo plant is (A): Plantae, Tracheophyta, Angiospermae, monocotyledons.

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