Biology – 1.3 Features of organisms | e-Consult
1.3 Features of organisms (1 questions)
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This plant belongs to the group Dicotyledons (dicots). This is determined by the following features:
- Taproot System: Dicotyledons typically have a taproot system, where a main, thick root grows downwards with smaller roots branching off.
- Vascular Bundles in a Ring: The vascular bundles in the stem of a dicotyledon are arranged in a ring. This is a key distinguishing feature.
- Two Cotyledons: The presence of two cotyledons in the embryo is a defining characteristic of dicotyledons. Cotyledons are the seed leaves that provide nourishment to the seedling.
These features are used in classification because they reflect evolutionary relationships. The presence of a taproot system and vascular bundles in a ring suggests a more advanced plant structure compared to plants with fibrous root systems and scattered vascular bundles, which are characteristic of monocots.