Okay kiddo, so you know how some places look different than others, right? Well, the Atlantic Coastal Plain is a big area in the southeastern part of the United States where the land is mostly flat and close to the coast.
Now, within the Atlantic Coastal Plain, there are different types of forests based on the kinds of trees that grow there. One of those forests is called the upland longleaf pine woodland. "Upland" means it's not near the water, and "longleaf pine" is the type of tree that grows there.
Longleaf pine trees are special because they have really long needles that stay on the tree all year long. They also need fire to grow properly, which might sound scary but it's actually important for them to stay healthy. Fires help clear out the underbrush and weeds, which makes it easier for the trees to grow and for animals to move around.
So basically, the Atlantic Coastal Plain upland longleaf pine woodland is a kind of forest with special tall trees that need fires to stay healthy. Pretty cool, huh?