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Which division among plants has the simplest organisms?
Thallophyta is the division of plants that has the simplest organisms. This group includes plants, which do not contain a well differentiated plant body. Their body is not differentiated into roots, stems, and leaves. They are commonly known as algae.
How are pteridophytes different from the phanerogams?
| Pteridophyta | Phanerogams |
| They have inconspicuous or less differentiated reproductive organs. | They have well developed reproductive organs. |
| They produce exposed embryos called spores. | They produce seeds. |
| Ferns, Marsilea, Equisetum, etc. are examples of pteridophyta. | Pinus, Cycas, fir, etc. are examples of phanerogams. |
How do gymnosperms and angiosperms differ from each other?
| Gymnosperm | Angiosperm |
| They are non-flowering plants. | They are flowering plants. |
| Naked seeds not enclosed inside fruits are produced. | Seeds are enclosed inside fruits. |
| Pinus, Cedar, fir, Cycas, etc. are some examples of gymnosperms. | Coconut, palm, mango, etc. are some examples of angiosperms. |
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