Ohio Assessment For Educators (OAE) Integrated Science (024) Practice Exam

The savannah biome is characterized by grasslands that typically feature scattered trees and is predominantly found in tropical and subtropical regions. This biome experiences seasonal rainfall, resulting in a distinct wet and dry season, which influences the types of vegetation and animal life present. The grasses are well adapted to survive periods of drought, while the scattered trees provide essential habitats and food sources for various species. In contrast to other biomes, the savannah's combination of grasses and scattered trees allows for a unique ecosystem that supports a wide variety of wildlife, including herbivores and their natural predators. The presence of fire is also important in savannahs, as it helps maintain the balance between grass and tree populations. The other biomes mentioned, such as tundra, desert, and taiga, do not share these specific characteristics. Tundra is known for its cold climate and minimal vegetation, deserts are characterized by very low rainfall and extreme temperatures, and taiga is a biome dominated by coniferous forests found in colder regions. Thus, the savannah stands out for its mixed landscape and climatic conditions, making it the correct answer for the characteristics described.