Final answer:
Yes, a single animal can invade a new area. Invasive species have the ability to alter communities and ecosystems.
Step-by-step explanation:
Yes, a single animal can invade a new area. Any species that has the right physiological and morphological traits can invade if given the opportunity. Successful invasions are more likely to occur when native assemblages are depleted or disrupted. Invasive species alter the communities they invade and can have a significant impact on ecosystems.
Learn more about Invasive species