How does the structure of the saguaro cactus stem benefit the plant?
Answer (3)
well since cacti are usually found in hot and dry places they wont have much of a supply of water. so the cacti will grow and adapt over time to need less water; therefor, the cactus stem's structure benefits the plant because it has adapted to need less water. get it?
The saguaro cactus stem stores water in its barrel-shaped structure, conserves it by reducing transpiration with a thick epidermis and vertical orientation and protects it with thorns that deter animals.
The saguaro cactus stem has a unique structure that greatly benefits the plant in its arid desert environment. The stem is large and barrel-shaped, which allows it to store significant amounts of water after rare rainfall events. This water storage is crucial for the plant's survival during long periods of dryness. Additionally, the stem's vertical orientation reduces the amount of surface heat it receives and lowers transpiration rates, further conserving water.
The saguaro cactus does not have traditional leaves, which limits the loss of water through transpiration. Instead, stem photosynthesis occurs, with the stem having a thicker epidermis and a waxy coating to minimize water loss. Finally, the stem is protected by thorns, which are modified leaves with a thick cuticle and stomata, serving to deter thirsty animals and protect the cactus's valuable water reserves.
The saguaro cactus has a barrel-shaped stem that stores water, carries out photosynthesis, has a waxy surface to minimize water loss, and a wide root system for moisture absorption. Its spines protect it from herbivores and reduce water loss. These adaptations allow the cactus to thrive in hot, dry environments.
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