Answer:
shape, pattern, size i took the test
Explanation:
The answer is c. net barriers.
Non-native species can do a great harm to native species or ecosystem and there are many ways to control them. Net barriers are mechanical control. Pesticides and herbicides are chemical control. There are also natural (biological control) control, such as diseases and pests, and environmental control, by altering the environment.
Answer: thousands of years
Well there is 7 kingdoms, that they are sorted into. But they are sometimes sorted depending on whether or not they have a nucleus.
-Gives thumbs up-