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The tomato (/təmeɪtoʊ/ or /təmɑːtoʊ/) is the edible berry of the plant Solanum lycopersicum, commonly known as the tomato plant. The species originated...

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins...

Sadism and masochism, known collectively as sadomasochism (/ˌseɪdoʊˈmæsəkɪzəm/ SAY-doh-MASS-ə-kiz-əm), are the derivation of pleasure from acts of respectively...

The avocado, alligator pear or avocado pear (Persea americana) is a medium-sized, evergreen tree in the laurel family (Lauraceae). It is native to the...

Bisexuality is a romantic or sexual attraction or behavior toward both males and females (gender binary), to more than one gender, or to both people of...

The coconut tree (Cocos nucifera) is a member of the palm tree family (Arecaceae) and the only living species of the genus Cocos. The term "coconut" (or...

The dingo (either included in the species Canis familiaris, or considered one of the following independent taxa: Canis familiaris dingo, Canis dingo, or...

Virginity is the state of a person who has never engaged in sexual intercourse. The term virgin originally only referred to sexually inexperienced women...

Sexual orientation is an enduring personal pattern of romantic attraction or sexual attraction (or a combination of these) to persons of the opposite sex...

Biochemistry or biological chemistry is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and...

Romance or romantic love is a feeling of love for, or a strong attraction towards another person, and the courtship behaviors undertaken by an individual...

Parsley, or garden parsley (Petroselinum crispum) is a species of flowering plant in the family Apiaceae that is native to Greece, Morocco and the former...

An aquarium (pl.: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and...

Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent"...

The English Greyhound, or simply the Greyhound, is a breed of dog, a sighthound which has been bred for coursing, greyhound racing and hunting. Since the...

Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science. A birdwatcher may observe by using...

Dominance and submission (D/s) is a set of behaviors, customs, and rituals involving the submission of one person to another in an erotic episode or lifestyle...

A stripper or exotic dancer is a person whose occupation involves performing striptease in a public adult entertainment venue such as a strip club. At...

The mourning dove (Zenaida macroura) is a member of the dove family, Columbidae. The bird is also known as the American mourning dove, the rain dove, the...

Monogamy (/məˈnɒɡəmi/ mə-NOG-ə-mee) is a relationship of two individuals in which they form an exclusive intimate partnership. Having only one partner...