Question

assessment 2 - threats to forests
forests: conservation & management
2 of 5
which of the following best describes an invasive species?
native or non - native species found in nearly every terrestrial area
non - native species introduced to an area ultimately harming the ecosystem or human health
native plants which take up large areas of space and do not allow for other species to spread
native plants or animals which grow at an exceptionally fast rate

Explanation:

An invasive species is defined as a non - native (alien) species whose introduction to an ecosystem causes or is likely to cause harm to the environment, human health, or the economy. Native species, whether they are widespread (first option), take up space (third option), or grow fast (fourth option) are not considered invasive. The key points are non - native and harmful impact.

Answer:

Non - native species introduced to an area ultimately harming the ecosystem or human health.