Multiple Choice
In biological taxonomy, which of the following best describes how organisms are classified within a phylum?
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following is the most common gymnosperm?
A
Maple tree (genus Acer)
B
Pine tree (genus Pinus)
C
Rose bush (genus Rosa)
D
Oak tree (genus Quercus)
Verified step by step guidance1
Step 1: Understand the term 'gymnosperm.' Gymnosperms are a group of seed-producing plants that do not form flowers or fruits. Their seeds are exposed, often in cones, unlike angiosperms, which enclose seeds within fruits.
Step 2: Review the options provided in the question. Maple trees (genus Acer), rose bushes (genus Rosa), and oak trees (genus Quercus) are all angiosperms, meaning they produce flowers and fruits. Pine trees (genus Pinus), on the other hand, are gymnosperms and produce seeds in cones.
Step 3: Recall that pine trees are one of the most common and widely distributed gymnosperms. They are part of the conifer group, which includes other gymnosperms like firs and spruces.
Step 4: Eliminate the incorrect options based on their classification as angiosperms. Maple trees, rose bushes, and oak trees are not gymnosperms, leaving pine trees as the correct answer.
Step 5: Conclude that the most common gymnosperm among the options provided is the pine tree (genus Pinus), as it fits the definition and characteristics of gymnosperms.
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