What 4 things do plants need for healthy growth?
Requirements for growth Plants need air, light, warmth, water and nutrients to be healthy. If a plant doesn’t have one of these requirements it could affect its growth or even die. For example, a plant that is kept in a dark place will grow tall and spindly in search of light and then become weak and die. In some cases, poor environmental conditions (e. In other cases, environmental stress weakens a plant and makes it more susceptible to disease or insect attack. Environmental factors that affect plant growth include light, temperature, water, humidity and nutrition.
How do plants absorb sunlight?
Chloroplasts are the engines of plants. They use light from the sun and carbon dioxide to produce energy compounds, through the process of photosynthesis. Chloroplasts are filled with chlorophyll, a pigment that absorbs sunlight to kick off that process. Chloroplasts are filled with chlorophyll, a pigment that absorbs sunlight to kick off that process. Chlorophyll is what gives plants their green color. Biologists know the major players that build chloroplasts.Black leaves would block light from reaching the chlorophyll, reducing the efficiency of photosynthesis which is already very low. The color of plant leaves is due to the pigments present in it. Chlorophylls are green in color and have mechanism to absorb 400 and 700 nm wavelength from white visible light.