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From the point of evolutionary complexit...

From the point of evolutionary complexity, which one of the following is most advanced?

A

Chlamydomonas

B

Funaria

C

Selaginella

D

Pinus

Text Solution

AI Generated Solution

The correct Answer is:
To determine which organism is the most advanced from the point of evolutionary complexity, we need to analyze the given options based on their classification and evolutionary traits. ### Step-by-Step Solution: 1. **Identify the Organisms and Their Classifications**: - **Chlamydomonas**: This is a unicellular green alga belonging to the group of algae. - **Funeria**: This is a moss, which belongs to the group Bryophyta (mosses). - **Lycopodium**: This is a clubmoss and belongs to the group Pteridophyta (ferns and their relatives). - **Pinus**: This is a pine tree, which belongs to the group Gymnosperms (cone-bearing plants). 2. **Understand the Evolutionary Complexity**: - **Algae (Chlamydomonas)**: These are the simplest forms of plant life, primarily aquatic and lack complex structures. - **Bryophyta (Funeria)**: Mosses show some differentiation in structure but still lack vascular tissues. - **Pteridophyta (Lycopodium)**: Ferns and clubmosses have vascular tissues, allowing for more complex structures and growth forms. - **Gymnosperms (Pinus)**: These plants have seeds, which provide a significant evolutionary advantage, but the seeds are not enclosed in fruits. - **Angiosperms (not listed)**: These are the most advanced group of plants, characterized by having seeds enclosed in fruits. 3. **Rank the Organisms**: - From least advanced to most advanced: - Chlamydomonas (Algae) < Funeria (Bryophyta) < Lycopodium (Pteridophyta) < Pinus (Gymnosperm) 4. **Conclusion**: - Since the question asks for the most advanced organism among the options provided, and considering that angiosperms are not listed, the most advanced organism from the given options is **Pinus**, as it represents the Gymnosperms, which are more complex than the other groups listed. ### Final Answer: The most advanced organism from the point of evolutionary complexity is **Pinus** (option D).
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