Which of the following is a mechanical or physical mechanism that desert plants use?

* Hướng dẫn giải

Đáp án A
Đ2: Some involve purely mechanical and physical adaptations, such as the shape of the plant's surface, smaller leaf size, and extensive root systems. (bao gồm: bóng cây, lá nhỏ, và bộ rễ lớn)