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.
If you are a U.S. permanent or conditional resident -- that is, someone with a green card -- the basic rule is that you cannot apply for U.S. citizenship (or apply to naturalize) until you have lived in the United States as a lawful permanent resident for at least five years.xception to Five-Year Rule for People Married to a U.S. Citizen. You need to wait a mere three years to apply for U.S. citizenship if, during that time, you have been a permanent (or conditional) resident married to, as well as living with, a U.S. citizen. (See the Immigration and Nationality Act at I.N.A.