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Meaning: a prefix used to make words with a sense opposite to that of the root word; in this case, meaning "without" or "-less". This is usually used to describe organisms without a certain characteristic, as well as organisms in which that characteristic may not be immediately obvious.
Animals that are normally yellow will appear white if affected with axanthism. While axanthism commonly makes green animals blue, it can also make the animal gray or even black, making it appear as if the animal has melanism ; though they can be distinguished by how axanthic animals are slightly lighter and how melanistic animals produce more ...
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
Objections to evolution have been raised since evolutionary ideas came to prominence in the 19th century. When Charles Darwin published his 1859 book On the Origin of Species, his theory of evolution (the idea that species arose through descent with modification from a single common ancestor in a process driven by natural selection) initially met opposition from scientists with different ...
Lamarck's theory of evolution involved a complexifying force that progressively drives animal body plans towards higher levels, creating a ladder of phyla, as well as an adaptive force that causes animals with a given body plan to adapt to circumstances. The idea of progress in such theories permits the opposite idea of decay, seen in devolution.
Former President Donald Trump repeated a series of false claims, many of which have long been debunked, about immigration and other subjects in his speech at a Sunday evening rally at Madison ...
A science fair is a competitive event hosted at schools. Science fair or variations of the term may refer to: Science Fair, a 2018 National Geographic documentary film; Science Fair, a 1999 album by Emm Gryner; Science Fair, a 2008 novel by Dave Barry and Ridley Pearson "Science Fair" (Parker Lewis Can't Lose), a 1990 television episode
I tried six brands of store-bought tater tots from Sonic, Ore-Ida, Cascadian Farm, McCain, Signature Select, and Alexia Foods to find the best ones.