Sex is the trait that determines whether a sexually reproducing animal or plant produces male or female gametes. Male plants and animals produce small mobile gametes (spermatozoa, sperm, pollen), while females produce larger, non-motile ones (ova, often called egg cells). Organisms that produce both types of gametes are called hermaphrodites. During sexual reproduction, male and female gametes fuse to form zygotes, which develop into offspring that inherit traits from each parent. Males and females of a species may have physical similarities (sexual monomorphism) or differences (sexual dimorphism) that reflect various reproductive pressures on the respective sexes. Mate choice and sexual selection can accelerate the evolution of physical differences between the sexes. The terms male and female typically do not apply in sexually undifferentiated species in which the individuals are isomorphic (look the same) and the gametes are isogamous (indistinguishable in size and shape), such as the green alga Ulva lactuca. Some kinds of functional differences between gametes, such as in fungi, may be referred to as mating...

Test(s), testing, or TEST may refer to: Test (assessment), an educational assessment intended to measure the respondents' knowledge or other abilities Arts and entertainment Test (2013 film), an American film Test (2014 film), a Russian film Test (group), a jazz collective Tests (album), a 1998 album by The MicrophonesComputing .test, a reserved top-level domain test (Unix), a Unix command for evaluating conditional expressions TEST (x86 instruction), an x86 assembly language instructionPeople Test (wrestler), ring name for Andrew Martin (1975–2009), Canadian professional wrestler John Test (1771–1849), American politician Zack Test (born 1989), American rugby union playerScience and technology Proof test Stress testing Test (biology), the shell of sea urchins and certain microorganisms Test...

Carson James Wentz (born December 30, 1992) is an American football quarterback for the Washington Commanders of the National Football League (NFL). Wentz played college football at North Dakota State, where he won two consecutive NCAA FCS national championships as the team's starter. He was selected second overall by the Philadelphia Eagles in the 2016 NFL Draft, making him the FCS's highest drafted player. Wentz's greatest success with the Eagles was in 2017 when he led them to an 11–2 record. Although he suffered a season-ending injury, Wentz helped put the Eagles in position to obtain the top seed of the National Football Conference (NFC), which culminated with the franchise's first Super Bowl title in Super Bowl LII. He also earned Pro Bowl and second-team All-Pro honors. Wentz helped bring Philadelphia back to the playoffs during his next two seasons, but further injuries limited his participation. He was traded in 2021 to the Indianapolis Colts, where he played one season, before being traded to Washington the following year. Early years Born in Raleigh, North Carolina, Wentz moved...

The Taft equation is a linear free energy relationship (LFER) used in physical organic chemistry in the study of reaction mechanisms and in the development of quantitative structure–activity relationships for organic compounds. It was developed by Robert W. Taft in 1952 as a modification to the Hammett equation. While the Hammett equation accounts for how field, inductive, and resonance effects influence reaction rates, the Taft equation also describes the steric effects of a substituent. The Taft equation is written as: log ⁡ ( k s k ...

The Parson Russell Terrier is a breed of small white terrier that was the original Fox Terrier of the 18th century. The breed is named after the Reverend Jack Russell, credited with the creation of this type of dog. It is the recognised conformation show variety of the Jack Russell Terrier and was first recognised in 1990 in the United Kingdom as the Parson Jack Russell Terrier. In America, it was first recognised as the Jack Russell Terrier in 1997. The name was changed to its current form in 1999 in the UK and by 2008 all international kennel clubs recognised it under the new name. A mostly white breed with either a smooth, rough or broken coat, it conforms to a narrower range of sizes than the Jack Russell. It is a feisty, energetic terrier, suited to sports and able to get along with children and other animals. It has a range of breed-related health issues, mainly relating to eye disorders. History This breed shares a common history with the Jack Russell Terrier until the early 1980s.This type of small white terrier dates back to the work of the Reverend John...

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Pink is the color of a namesake flower that is a pale tint of red. It was first used as a color name in the late 17th century. According to surveys in Europe and the United States, pink is the color most often associated with charm, politeness, sensitivity, tenderness, sweetness, childhood, femininity, and romance. A combination of pink and white is associated with chastity and innocence, whereas a combination of pink and black links to eroticism and seduction. In the 21st century, pink is seen as a symbol of femininity, though this has not always been true; in the 1920s, pink was seen as a color that reflected masculinity. In nature and culture ...

Perfectionism, in psychology, is a broad personality style characterized by a person's concern with striving for flawlessness and perfection and is accompanied by critical self-evaluations and concerns regarding others' evaluations. It is best conceptualized as a multidimensional and multilayered personality characteristic, and initially some psychologists thought that there were many positive and negative aspects. Perfectionism drives people to be concerned with achieving unattainable ideals or unrealistic goals that often lead to many forms of adjustment problems such as depression, anxiety, OCD, OCPD and low self-esteem. These adjustment problems often lead to suicidal thoughts and tendencies and influence or invite other psychological, physical, social, and further achievement problems in children, adolescents, and adults. Although perfectionist sights can reduce stress, anxiety, and panic, recent data, compiled by British psychologists Thomas Curran and Andrew Hill, show that perfectionistic tendencies are on the rise among recent generations of young people. Definition Perfectionists strain...