There are four geographic modes of speciation in nature, based on the extent to which speciating populations are isolated from one another: allopatric, peripatric, parapatric, and sympatric. Speciation may also be induced artificially, through animal husbandry, agriculture, or laboratory experiments.
Post 2. @Anon91339: A ricer is also a legitimate kitchen tool. You can find references to ricers online, or in any culinary dictionary. My mother used to use a ricer to squeeze pulp from seeds when making plum jam.There are photos online. Ricers as kitchen tools predate automobile Ricers and probably the automobile itself.ost 2. @Anon91339: A ricer is also a legitimate kitchen tool. You can find references to ricers online, or in any culinary dictionary. My mother used to use a ricer to squeeze pulp from seeds when making plum jam.
A potato ricer can be used for either white potatoes or sweet potatoes, and can also be used for pressing other types of foods, such as parsnips, turnips, or even making fruit coulis or small amounts of baby food. Hereâs how to use a potato ricer to make creamy potatoes. You can use your own recipe, or try my recipe for Mashed Potatoes 1  : Peel several white potatoes (choose the best potato for mashing) and cut them into equally sized pieces, about 1 inch.