How do cacti adapt to the dry desert environment?

1. The result of evolution

1. We all know that plants lack water because there are stomata on the surface of the leaves, which will take away a large amount of water during transpiration. The leaves of cactus plants have long turned into thorns, so there will be no water evaporation. At this point, the water of the plant can be retained to maintain life activities.

2. Another very important reason is that the surface of the plant has undergone strong keratinization, just like a layer of wax, and the stomata are sunken. In this way, the water of the plant will be deeply locked in the cells. Sometimes the water stored in the plant can reach 95% of its own weight. It can be seen that it is possible to maintain life in the desert.

Second, its own advantages

1. Speaking of its own advantages, it refers to the roots of the plant, which have a very strong ability to absorb water, and even the moisture in the air can be used for its own benefit to a certain extent.

2. If the plant is short of water and the depth of the roots can no longer absorb water, it will continue to extend until it finds water again. This is why the plant can grow in such a harsh environment.