Question

6 — native and non - native species: characteristics
learning objective: determine the characteristics of native, non - native, and invasive species.
which of the following examples relates to non - native species?
a.) the pacific yew tree that grows along the coast from northern california into canada has thin, scaly bark that contains a chemical with anticancer properties.
b.) oolong beetles bred in the lab cannot reproduce in the wild and have no natural protections against predators or disease.
c.) birds such as the loa and the kiwi evolved in isolated new zealand with no natural enemies, so they built nests on the ground and did not fly.
d.) a certain beetle species was released in southern maine to keep the unwanted purple loosestrife plant from spreading.

Explanation:

A non - native species is one that is introduced to an area outside of its natural range. Option d describes a beetle species released in southern Maine, which is an introduction of a species to a new area, making it non - native. Option a describes a native tree in its natural range. Option b describes lab - bred beetles that are not related to the concept of non - native species in terms of natural range. Option c describes native birds in their native habitat.

Answer:

d. A certain beetle species was released in southern Maine to keep the unwanted purple loosestrife plant from spreading.