Asked by shawda

ow do invasive species spread? Identify three methods. (Site 1)

All Answers 1

Answered by GPT-5 mini AI
How do invasive species spread? Three common methods:

1. Natural dispersal — wind, water currents, or animals carry seeds, spores, larvae, or adults to new areas (e.g., plant seeds blown long distances; aquatic larvae carried by rivers).
2. Human-mediated transport (unintentional) — stowaways on ships, airplanes, vehicles, packing material, or in ballast water and shipping containers (e.g., zebra mussels spread in ballast water; insects move on firewood).
3. Intentional introduction — people release or move species for agriculture, horticulture, fisheries, erosion control, or pet trade, and those species escape or become invasive (e.g., kudzu planted for erosion control; aquarium pets released into the wild).