Indoor Air sciences CSMI Practice Exam

Stachybotrys is classified as what type of organism?

1. Xerophilic genera

2. Slow growing tertiary colonizer

3. Fast growing primary colonizer

4. Medium growing secondary colonizer

The correct answer is: Slow growing tertiary colonizer

Stachybotrys is classified as a slow-growing tertiary colonizer. This classification arises from its growth characteristics and ecological role in environments where it is typically found. Tertiary colonizers, like Stachybotrys, generally establish themselves after the initial pioneers have modified the habitat, making it more favorable for their growth. They often thrive in environments with high moisture content and organic material, like water-damaged buildings. The term "slow-growing" refers to the fact that Stachybotrys does not proliferate rapidly compared to primary colonizers, which are usually the first organisms to exploit a new or disturbed area. This classification is important in understanding the dynamics of mold growth and management in indoor environments. Recognizing the stage of colonization helps in developing effective strategies for remediation and control of fungal growth in buildings.