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A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Ecologists can broadly define all life forms as either autotrophs or heterotrophs, based on their trophic levels, the position that they occupy in the food web.
A food desert is an area that has limited access to food that is plentiful, affordable, or nutritious. [ 1][ 2][ 3] In contrast, an area with greater access to supermarkets and vegetable shops with fresh foods may be called a food oasis. [ 4]
In the US, a food desert is a low-income census tract residing at least 0.5 miles (0.80 km) in urban areas (10 miles (16 km) in rural areas) or 1 mile (1.6 km) away in urban areas (20 miles in rural areas) from a large grocery store. [8] The availability of other fresh food sources like community gardens and food banks are not included in ...
Desert ecology is the study of interactions between both biotic and abiotic components of desert environments. A desert ecosystem is defined by interactions between organisms, the climate in which they live, and any other non-living influences on the habitat. Deserts are arid regions that are generally associated with warm temperatures; however ...
Earthworms are soil-dwelling detritivores. Detritivores (also known as detrivores, detritophages, detritus feeders or detritus eaters) are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as feces ). [1] There are many kinds of invertebrates, vertebrates, and plants that carry out coprophagy.
African food deserts are complex due to accelerated urbanization, the various ways individuals acquire food through formal and informal food economy markets, familial dynamics of the household, and African social, political and economic effects. [1] African food deserts have been defined as "poor, often informal, urban neighborhoods ...
Found mainly in rocky outcrops in the deserts of the southwestern United States and Mexico, the rock pocket mouse is medium-sized (length ~18 cm, weight ~12–18g) and nocturnal. It eats mainly plant seeds and makes small burrows in soil close to or under rocks to evade owls, its main predator. The breeding season spans a few months, starting ...
The word "dessert" originated from the French word desservir "to clear the table" and the negative of the Latin word servire. [2] There are a wide variety of desserts in western cultures, including cakes, cookies, biscuits, gelatins, pastries, ice creams, pies, puddings, and candies. Fruit is also commonly found in dessert courses because of ...