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Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
Biologists can study life at multiple levels of organization, [1] from the molecular biology of a cell to the anatomy and physiology of plants and animals, and the evolution of populations. [1] [6] Hence, there are multiple subdisciplines within biology, each defined by the nature of their research questions and the tools that they use.
The items of a multiple choice test are often colloquially referred to as "questions," but this is a misnomer because many items are not phrased as questions. For example, they can be presented as incomplete statements, analogies, or mathematical equations. Thus, the more general term "item" is a more appropriate label.
An exemplification essay is characterized by a generalization and relevant, representative, and believable examples including anecdotes. Writers need to consider their subject, determine their purpose, consider their audience, decide on specific examples, and arrange all the parts together when writing an exemplification essay. [18]
An admissions or application essay, sometimes also called a personal statement or a statement of purpose, is an essay or other written statement written by an applicant, often a prospective student applying to some college, university, or graduate school. The application essay is a common part of the university and college admissions process.
Tinbergen's four questions, named after 20th century biologist Nikolaas Tinbergen, are complementary categories of explanations for animal behaviour. These are also commonly referred to as levels of analysis . [ 1 ]
Teleology, from Greek τέλος, telos "end, purpose" [3] and -λογία, logia, "a branch of learning", was coined by the philosopher Christian von Wolff in 1728. [4] The concept derives from the ancient Greek philosophy of Aristotle, where the final cause (the purpose) of a thing is its function. [5]
The sample or group receiving the drug would be the experimental group (treatment group); and the one receiving the placebo or regular treatment would be the control one. In many laboratory experiments it is good practice to have several replicate samples for the test being performed and have both a positive control and a negative control. The ...