Final answer:
Flowers are the part of the plant that responds to warming temperatures and produces seeds or fruit.
Step-by-step explanation:
The part of the plant that responds to warming temperatures and produces seeds or fruit is the flowers. Flowers are the reproductive structures of plants and are responsible for producing seeds or fruit through the process of pollination and fertilization. When temperatures warm, flowers may bloom and produce pollen, attracting pollinators like bees or butterflies, which then help in the transfer of pollen between flowers, leading to the production of seeds or fruit.
Learn more about Plant Reproduction