Question

7 Use the internet or the library to find out aboutplants in the desert or in the Arctic. Answer thequestions1 What problems do the plants have with light,temperature and water?_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2 How have the plants adapted to theseproblems?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________​

Answer 1

Ответ:

1.Lack of light, water. The environment is too cold or too hot. The sun's rays may not hit the plant, and the plant may die from lack of light. So it is with water.

2.In deserts, the plant is specially adapted to temperature. Plants store the remaining water for food for a long time.(это только по пустыни про арктику я не смогла найти информацию )

Объяснение:

Answer 2

Plants in the desert and Arctic regions face extreme environmental conditions, which have led to unique adaptations to survive. Here are the answers to your questions:

Desert Plants:

1. Challenges with Light, Temperature, and Water:

   • Light: Desert plants receive intense sunlight, which can lead to excessive evaporation and sunburn of their tissues.
   • Temperature: Desert temperatures can vary greatly between day and night, and they can become extremely hot during the day and cold at night.
   • Water: Water is scarce in deserts, and plants need to conserve it efficiently. They face the challenge of both drought and high salinity in the soil.

2. Adaptations:

   • Light: Desert plants have developed several adaptations to cope with intense sunlight. Some have small leaves or no leaves at all to reduce water loss through transpiration. Others have specialized tissues or coatings that reflect or minimize the impact of sunlight.
   • Temperature: Many desert plants have adapted to the extreme temperature fluctuations by growing low to the ground to capture radiated heat at night and reduce exposure to the hot sun during the day. They may also have thick, waxy coatings to reduce water loss and protect against UV radiation.
   • Water: Desert plants have evolved various water-saving mechanisms, such as deep root systems to reach underground water sources, succulent tissues to store water, and modified photosynthesis processes (like CAM or C4 pathways) that allow them to open stomata at night when it's cooler to reduce water loss.

Arctic Plants:

1. Challenges with Light, Temperature, and Water:

   • Light: Arctic plants face long periods of darkness during the winter and continuous daylight during the summer.
   • Temperature: Extremely cold temperatures in the Arctic can freeze plant tissues, and the short growing season presents challenges for growth and reproduction.
   • Water: Water availability is often limited due to frozen soil and the presence of ice.

2. Adaptations:

   • Light: Arctic plants have adapted to the extreme light conditions by maximizing photosynthesis during the short growing season. They often have broad leaves to capture as much sunlight as possible.
   • Temperature: Arctic plants are adapted to cold temperatures and can photosynthesize at lower temperatures than plants in warmer climates. They may also have antifreeze proteins to prevent ice formation in their cells.
   • Water: Some Arctic plants have shallow root systems to access the limited liquid water available near the surface. They can also tolerate freezing and thawing of their tissues.

In both desert and Arctic environments, plant adaptations are essential for their survival, and these adaptations are the result of millions of years of evolution to thrive in these extreme conditions.