Human: What are some of the most common types of invasive species? Assistant: 
Some of the most common types of invasive species include plants, animals, fungi, bacteria, and viruses. Examples of plant invaders include kudzu, water hyacinth, and Brazilian pepper. Animal invaders include rats, cats, and cane toads. Fungi such as rust and mildew can also be considered invasive species. Bacteria like Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) are known for causing illnesses in humans. Viruses like Zika virus can spread rapidly through populations and cause serious health problems.