Question: Choose the best answer. How are lichens or moss similar to the pioneer species, like grass, that colonize an abandoned field? How are they different? They both are considered the first species. They both prepare the way for other species. Lichens and moss can exist where there is no soil, while pioneer species, such as grass, need soil to grow. They both are considered the second species. They both have the way prepared for them by other species. Lichens and moss can exist where there is no soil, while pioneer species, such as grass, need soil to grow. They both are considered the first species. They both have the way prepared for them by other species. Lichens and moss can exist where there is no soil, while pioneer species, such as grass, need soil to grow. They both are considered the first species. They both have the way prepared for them by other species. Lichens and moss cannot exist where there is no soil, while pioneer species, such as grass, do not need soil to grow. Need Assignment Help?