SAT Subject Test in Biology › Environmental Principles
A new volcanic island forms in the Pacific Ocean. Over time, soil forms on the island, grasses grow, shrubs appear, birds nest on the island, and the island is no longer a barren rock. This is an example of which of the following?
A new volcanic island forms in the Pacific Ocean. Over time, soil forms on the island, grasses grow, shrubs appear, birds nest on the island, and the island is no longer a barren rock. This is an example of which of the following?