You might want to visit national parks in Virginia to look for these plants in their native habitats. Cactuses are succulents that are native to the southwest. Organ Pipe Cactus National Monument has many fine examples of cactus plants. Black snakes and butterflies can be found in many national parks. Visit the Chesapeake and Ohio Canal National Historical Park for an opportunity to see these plants and animals in the wild.
Sharks are fish that live throughout the world's oceans.