Meet Scott Horn – an entomologist who asks questions about the impacts of forest management on insect communities. He is interested in how pollinator insects, such as bees, are affected by invasive plant species. Invasive species are any plant, animal, or organism that is not native to the ecosystem it is in and is likely to cause harm to the environment, the economy, or human health. Complete the activity to try out being an entomologist! Topics: Insects, Activity Page, Entomologist, Insects.