Some are secondary consumers or second-order consumers, meaning that they eat primary consumers. Snakes that eat mice (primary consumers) are secondary consumers. Other higher-level consumers are tertiary consumers or third-order consumers, and eat further up on the food web or perhaps on many levels.Examples of third-order consumers are mountain lions and hawks, both of whom eat second-order consumers such as snakes and owls. food web differs from a food chain in that it includes all the organisms whose feeding habits are related in some way or another to those of other organisms. In the example above, small animals other than rabbits feed on lettuce and carrots and, in turn, those animals are fed upon by a variety of larger animals.
There are no quotas for persons into the U.S. seeking citizenship. The quotas are for Visas...in particular, Work visas AND Immigratn Visas. The status of legal permenent residence in the U.S. is a VISA class. Most people do not know this.
There are two ways to become a United States (U.S.) citizen â by birth or through naturalization. To become a citizen at birth, you must: Be born in the U.S or in certain territories or outlying possessions of the United States, that are subject to the jurisdiction of the United States.