Final answer:
When a population colonizes an environment with few species, it can lead to low species diversity. This can have impacts such as increased spread of parasites and pathogens due to overcrowding. With fewer species, there may be less competition for resources.
Step-by-step explanation:
When a population colonizes an environment that has relatively few species, it is likely to lead to a condition known as low species diversity. The number of species occupying the same habitat and their relative abundance is referred to as species diversity, and it can vary greatly depending on the environment. In this case, since there are relatively few species present, the population would experience low species diversity.
This low species diversity can have various impacts on the ecosystem. It can result in increased opportunities for the spread of parasites and pathogens due to overcrowded conditions. Additionally, with fewer species, there may be less competition for resources, which could potentially allow the colonizing population to thrive.
Keywords: species diversity, low species diversity, overcrowded conditions, parasites, pathogens, competition for resources