Two species have a relationship with one another in an ecosystem. Suppose one of these two species goes extinct. Which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.
The extinct species was a parasite in a parasitic relationship with the surviving species.

B.
The extinct species relied on the surviving species in a commensal relationship.

C.
The two species had a mutualistic relationship.

D. The surviving species preyed on the extinct species.

Helen is a u.s. citizen and cpa, who moved to london, england three years ago to work for a british company. this year, she spent the entire year in london and earned a salary of $110,000. how much of her salary will she be allowed to exclude from gross income in the u.s.

How do quotas domestic producers? quotas facilitate increased exports of domestic goods. quotas lower the cost of domestic goods. quotas limit the number of producers that compete in a sector. quotas facilitate the sale of more domestic goods.

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914