What function do roots perform in trees?

Roots play a crucial role in trees by primarily providing anchoring support and facilitating nutrient absorption. They stabilize the tree in the soil, preventing it from being uprooted by wind or other forces. Additionally, roots absorb water and essential nutrients from the soil, such as nitrogen, phosphorus, and potassium, which are vital for the tree's growth and overall health.

While other options like photosynthesis, gas exchange, and flowering are important processes for trees, they are not functions performed by the roots. Photosynthesis occurs in the leaves where sunlight is converted into energy. Gas exchange is also primarily a function of the leaves and stems, where carbon dioxide is taken in and oxygen is released. Flowering is a reproductive function that involves the development of flowers, which occurs in specific parts of the tree above the ground. Thus, the significant role of roots in anchoring and nutrient absorption highlights their importance in tree biology and growth.