AP BIOLOGY

Detailed explanation-1: -Carbon Dioxide (CO2)-Plants obtain CO2 from the atmosphere via stomata. Water-Plants take water from the earth and transmit it to their leaves via their roots.

Detailed explanation-2: -Trees make their own food through photosynthesis, using energy from sunlight, water (from the roots), and carbon dioxide (from the air) to create sugar that is used to fuel the rest of the tree. Water is carried from the roots to the leaves through xylem cells.

Detailed explanation-3: -During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.

Detailed explanation-4: -Photosynthesis produces water as a byproduct. During photosynthesis, plants take carbon dioxide ( C O 2 ), and water ( H 2 O ) from the air and soil.

Detailed explanation-5: -While light energy can be easily absorbed from the sun and carbon dioxide from the atmosphere, water is sometimes scarce. Not only is water used directly in the process of photosynthesis for its hydrogen, it is also used to prevent dehydration, indirectly supporting the successful creation of food for the plant.