Difficulty | Solution | Effect |
Obtaining and Conserving Water | Waterproof coatings on aboveground plant parts | Reduced water loss by evaporation |
Obtaining and Conserving Water | Rootlike structures delved into the soil, mining water, and minerals | Vascular tissues conduct water from roots to leaves. |
Staying Upright Despite Gravity and Winds | Extra-thick walls sorround certain cells | Stems stand erect. |