Invasive Species Quiz

Quiz 15 - Invasive Species

1. A group of plants or animals that are alike and that can produce offspring under natural conditions is called a
2. A species that occurs in an environment naturally is called a
3. When an exotic species overwhelms a native species it becomes
4. In North America, dogs, cats, horses and cows are all
5. Domesticated animals like cats and pigs that become wild or feral