feeding efficiency
81farm management — ▪ agriculture Introduction making (industrial engineering) and implementing of the decisions (agribusiness) involved in organizing and operating a farm for maximum production and profit. Farm management draws on agricultural economics for… …
82Painted turtle — This article is about the North American turtle. For the summer camp, see The Painted Turtle. Painted turtle Temporal range: 15–0 Ma …
83Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …
84Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
85Seabird — This article is about the animal. For the alternative rock band of the same name, see Seabird (band). The Sooty Tern is highly aerial and marine and will spend months flying at sea, returning to land only for breeding.[1] Seabirds (also known as… …
86Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… …
87Decomposition — For other uses, see Decomposition (disambiguation). A mummified rat. Stages of death Pallor mortis Algor mortis …
88Electric vehicle — Sustainable energy Renewable energy …
89Niche construction — Beavers hold a very specific biological niche in the ecosystem: constructing dams across river systems.) Niche construction is the process in which an organism alters its own (or other species ) environment, often but not always in a manner that… …
90Generalist and specialist species — With its eucalyptus only diet, the koala can be considered a specialist species. A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph …
