Question

Какие существуют изменения корней? Какие виды корней изменяются?

Answer 1

Корневые клубни(картофель), корневые луковицы(лук, тюльпан), корневище(плющ) и.т.д

Answer 2

Types of Root Modifications

Root modifications refer to the changes that occur in the structure and function of plant roots. There are several types of root modifications, each serving different purposes.

1. Taproot Modification: - In some plants, the taproot undergoes modifications to store food and water. This modification is commonly seen in biennial or perennial plants. - "The taproot system is modified for food storage in the form of tubers, corms, and roots." 2. Adventitious Root Modifications: - Adventitious roots can undergo various modifications to serve different functions. - "Adventitious roots may be modified for climbing, clinging, or providing support." - "Some plants have adventitious roots modified for additional functions such as water storage, aeration, and nutrient absorption." 3. Fibrous Root Modifications: - Fibrous roots, which form a dense network, can also undergo modifications for specific functions. - "Fibrous roots may be modified for specialized functions such as nutrient absorption, anchorage, and water storage." 4. Nodulated Root Modifications: - Some plants form nodules on their roots as a result of a symbiotic relationship with nitrogen-fixing bacteria. - "Nodulated roots are modified to house nitrogen-fixing bacteria, which convert atmospheric nitrogen into a form usable by the plant." 5. Aerial Root Modifications: - Aerial roots can undergo modifications to adapt to specific environmental conditions. - "Aerial roots may be modified for water absorption, mechanical support, or gas exchange in plants growing in waterlogged or epiphytic conditions." 6. Contractile Root Modifications: - Contractile roots are modified for specific purposes related to the plant's growth and survival. - "Contractile roots are modified for pulling the plant deeper into the soil, providing stability and protection from harsh environmental conditions." 7. Haustorial Root Modifications: - Some parasitic plants develop haustoria, which are specialized roots for obtaining nutrients from host plants. - "Haustorial roots are modified for penetrating the host's tissues and extracting nutrients." In summary, plants exhibit various types of root modifications, each serving specific functions related to nutrient absorption, support, storage, and adaptation to environmental conditions.

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