Question

5 features of aerenchyma​

Answer 1

Answer:

The large air-filled cavities provide a low-resistance internal pathway for the exchange of gases between the plant organs above the water and the submerged tissues. This allows plants to grow without incurring the metabolic costs of anaerobic respiration.[7] Some of the oxygen transported through the aerenchyma leaks through root pores into the surrounding soil. The resulting small rhizosphere of oxygenated soil around individual roots support microorganisms that prevent the influx of potentially toxic soil components such as sulfide, iron, and manganese

Explanation:

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Answer 2

Answer:

Explanation:

• Aerenchyma is the term given to plant tissues containing  enlarged gas spaces exceeding those commonly found as  intracellular spaces.
• It is formed in the roots and shoots  of wetland species and in some dryland species in adverse  conditions, either constitutively or because of abiotic stress.
• it helps the aquatic plant to flow above water, they helps in buoyancy in water for aquatic animals.
• It helps in the diffusion of oxygen, both in and out.
• Lysigenous aerenchyma formation  involves cell death.