the zebra mussel is an invasive species found in lakes and rivers in North America. The mussels are often transported to new areas by boat.

answerblank(1); ecological; blank(2); evolutionary;

prejudice, stereotyping, and discrimination often go hand-in-hand, but it is also possible to have one without the others. when an ethnic group is stereotyped with a neutral or positive attribute such as "family-oriented," prejudice and discrimination may not be involved.

explanation:

while prejudice refers to biased thinking, discrimination consists of actions against a group of people. discrimination can be based on age, religion, health, and other indicators; race-based laws against discrimination strive to address this set of social problems.