Large regions characterized by a certain climate and dominant plant life are called ____.

Question

BlackTom AI · Accepted Answer

When we examine the term in question, we’re looking for a label that describes large regions defined by climate patterns and the dominant plant life they support.
Option 1: communities. This refers to groups of different populations living together in a common area and interacting, not to a broad region defined by climate and flora. It focuses on species interactions rather than climatic scope.
Option 2: ecosystems. An ecosystem encompasses the living organisms (plants, animals, microbes) and their physical environment, including processes and interactions. While ecosystems can be large, the clue emphasizes the overarching climate and dominant vegetation of a vast area, which is more aligned with a biome classification than a single ecosystem.
Option 3: habitats. A habitat is the specific place where an organism or population lives, describing a smaller, more localized environment rather than an entire large region characterized by climate and plant life.
Option 4: biomes. This term precisely matches the description: large geographical areas defined by a shared climate and the predominant vegetation (plant life). Biomes include forests, deserts, tundras, etc., and are distinguished by climate patterns and plant communities.
Option 5: populations. A population is a group of individuals of the same species living in a particular area. It pertains to abundance and distribution of a species, not to climate-driven regional classifications or dominant plant life.
So, among the options, the description that best fits "large regions characterized by a certain climate and dominant plant life" corresponds to biomes, since they are the broad geographic categories defined by climate and vegetation.

11:375:101:01 INTRO ENV SCIENCE Exam #2

Large regions characterized by a certain climate and dominant plant life are called ____.

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