Question

Укажи пристосування рослин до життя в умовах високих температур та дефіциту вологи. ……… 1)Наявність сланкого стебла 2)відсутність опушення листків і стебел 3)редукція листків або перетворення їх на колючки 4)збільшення розмірів листкової пластинк

Answer 1

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Answer 2

Adaptations of Plants to High Temperatures and Water Deficiency

Plants have developed various adaptations to survive and thrive in high-temperature environments with limited water availability. Here are some of the common adaptations:

1) Slender Stems: Plants adapted to high temperatures often have slender stems, which help reduce surface area and minimize water loss through transpiration [[1]].

2) Absence of Leaf and Stem Hairs: Many plants in arid regions have evolved to have smooth leaves and stems, which reduces water loss through evaporation. The absence of hairs or trichomes on the surface of leaves and stems helps prevent water loss [[2]].

3) Reduction of Leaves or Transformation into Spines: In order to minimize water loss, some plants have reduced the size of their leaves or transformed them into spines. This adaptation reduces the surface area exposed to the sun and helps conserve water [[3]].

4) Enlarged Leaf Surface Area: Some plants have developed larger leaf surface areas to maximize the capture of sunlight for photosynthesis. This adaptation allows them to produce more energy despite the high temperatures and limited water availability [[4]].

5) Deep Root Systems: Plants in arid environments often have deep root systems that can reach underground water sources. These deep roots enable them to access water even during dry periods [[5]].

6) Succulence: Certain plants have evolved to store water in their leaves, stems, or roots. These succulent plants can store water during periods of rainfall or high humidity and use it during dry periods [[6]].

7) CAM Photosynthesis: Some plants, such as cacti and succulents, use a specialized form of photosynthesis called Crassulacean Acid Metabolism (CAM). CAM plants open their stomata at night to take in carbon dioxide and store it as an organic acid. During the day, the stomata remain closed to reduce water loss through transpiration [[7]].

These are just a few examples of the adaptations that plants have developed to survive in high-temperature environments with limited water availability. Each adaptation allows plants to conserve water, reduce heat stress, and maximize their chances of survival in challenging conditions.

I hope this information helps! Let me know if you have any further questions.