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  2. Keystone species - Wikipedia

    en.wikipedia.org/wiki/Keystone_species

    Keystone species play a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem and helping to determine the types and numbers of various other species in the community. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether. Some ...

  3. Coin-operated toilets make a comeback in Wichita, in an ... - AOL

    www.aol.com/coin-operated-toilets-comeback...

    Generally, the locks were situated on the door of the actual stalls inside the restroom, or on the entry door if the restroom in question was of the single-toilet variety.

  4. Best Lock Corporation - Wikipedia

    en.wikipedia.org/wiki/Best_Lock_Corporation

    Best Lock Corporation was established later to manufacture and sell a new tubular lockset called the 10K. Over time, the roles of these three companies changed. Frank E. Best, Inc. became, in effect, a holding company above Best Universal Lock Corporation, which in turn, controlled Best Lock Corporation which manufactured and sold the Best line ...

  5. Ecosystem engineer - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_engineer

    Keystone species are typically essential because of their trophic effect, while ecosystem engineers are not. As with keystone species, ecosystem engineers are not necessarily abundant. Species with greater density and large per capita effect have a more easily-noticeable effect, but less abundant species can still have a large impact.

  6. Door security - Wikipedia

    en.wikipedia.org/wiki/Door_security

    A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions.

  7. Nuisance wildlife management - Wikipedia

    en.wikipedia.org/wiki/Nuisance_wildlife_management

    Food left out for household pets is often equally attractive to some wildlife species. In these situations, the wildlife have suitable food and habitat and may become a nuisance. [3] The Humane Society of the United States (HSUS) provides strategies for the control of species such as bats, bears, chipmunks, coyotes, deer, mice, racoons and ...

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