GY 101 Chapter 18 Verified Exam Questions 2024.

GY 101 Chapter 18 Verified Exam Questions 2024. Desertification is defined as: - CORRECT ANSWER converting other lands to desert regions A biome is: - CORRECT ANSWER a distinctive collection of organisms adapted to regional environmental conditions Biomes are usually identified based upon _____, although sometimes geographic or climatic considerations are also used. - CORRECT ANSWER vegetation Desert, grasslands, rain forests, and freshwater are different types of: - CORRECT ANSWER biomes The ____ biome is the largest on Earth. - CORRECT ANSWER saltwater Biomes are identified by: - CORRECT ANSWER geography, vegetation, climatic conditions Match each vertical layer of the rain forest to its proper description. - CORRECT ANSWER Emergent: the tall trees of this layer have access to ample sunlight but must deal with high temperatures Canopy: this is the "roof" of the rain forest where most animal species live Shrub and understory: plants in this shaded layer have broad leaves to capture sunlight Forest floor: this is a dark, humid environment where organic matter decomposes Which of the following nutrients limit productivity in aquatic systems? - CORRECT ANSWER iron, phosphorus, nitrogen