State a fact related to the given topic.
Invasive species
Invasive species are a significant threat to biodiversity and ecosystems because they can alter habitats, compete with native species for resources, and introduce diseases.
Complete the following task based on the instruction and optional input provided.### Instruction:
State a fact related to the given topic.

### Input:
Invasive species

### Output:
Invasive species are a significant threat to biodiversity and ecosystems because they can alter habitats, compete with native species for resources, and introduce diseases.