BOTANY

Detailed explanation-1: -Plants convert carbon dioxide into sugar and oxygen in the presence of sunlight. Plants store their sugar in the form of starch, which is used for growth and maintenance. Another essential factor necessary for plants to grow is soil. Air, water, sunlight, soil and warmth are the five things that plants need to grow.

Detailed explanation-2: -Soil contains minerals such as nitrogen, phosphorous and potassium that are essential for plants. Soil also holds water which is used by plants. The air present in the soil helps roots breathe. Soil also acts as an anchor to hold the plant upright.

Detailed explanation-3: -All plants need space to grow, the right temperature, light, water, air, nutrients, and time.

Detailed explanation-4: -The soil gives stability to the plants; it also stores the water and nutrients which the plants can take up through their roots. The sunlight provides the energy which is necessary for plant growth (Fig.

Detailed explanation-5: -Plants need large amounts of three nutrients: nitrogen, phosphorous, and potassium. Combine those with water and sunlight and plants will grow. In a natural ecosystem, nutrients are naturally cycled. Plants grow, using these substances, then they die.