Multiple Choice
Based on the phylogenetic tree above, which two organisms are most closely related?
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following is a common feature among liverworts, hornworts, and mosses?
A
They all produce seeds.
B
They all possess true roots.
C
They all have flowers.
D
They all lack vascular tissue.
Verified step by step guidance1
Understand the problem: The question is asking for a common feature among liverworts, hornworts, and mosses. These organisms are collectively known as bryophytes, which are non-vascular plants.
Step 1: Recall the characteristics of bryophytes. Bryophytes are plants that lack vascular tissue, meaning they do not have xylem and phloem for water and nutrient transport. Instead, they rely on diffusion and osmosis for these processes.
Step 2: Analyze the options provided: (1) They all produce seeds. (2) They all possess true roots. (3) They all have flowers. (4) They all lack vascular tissue.
Step 3: Eliminate incorrect options: Bryophytes do not produce seeds; they reproduce via spores. They also lack true roots, having rhizoids instead, and they do not produce flowers, as they are non-flowering plants.
Step 4: Confirm the correct answer: The defining feature of bryophytes is that they lack vascular tissue, which is consistent across liverworts, hornworts, and mosses.
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