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Apes (collectively Hominoidea /hɒmɪˈnɔɪdi.ə/) are a clade of Old World simians native to sub-Saharan Africa and Southeast Asia (though they were more widespread...

Sequence homology is the biological homology between DNA, RNA, or protein sequences, defined in terms of shared ancestry in the evolutionary history of...

The simians, anthropoids, or higher primates are an infraorder (Simiiformes /ˈsɪmi.ɪfɔːrmiːz/) of primates containing all animals traditionally called...

Lemon balm (Melissa officinalis) is a perennial herbaceous plant in the mint family and native to south-central Europe, the Mediterranean Basin, Iran,...

Fornication is generally consensual sexual intercourse between two people not married to each other. When one or more of the partners having consensual...

Equisetum (/ˌɛkwɪˈsiːtəm/; horsetail, marestail, snake grass, puzzlegrass) is the only living genus in Equisetaceae, a family of vascular plants that reproduce...

Acer saccharum, the sugar maple, is a species of flowering plant in the soapberry and lychee family Sapindaceae. It is native to the hardwood forests of...

The mute swan (Cygnus olor) is a species of swan and a member of the waterfowl family Anatidae. It is native to much of Eurasia, and (as a rare winter...

The adaptive immune system, also known as the acquired immune system, or specific immune system is a subsystem of the immune system that is composed of...

The thalamus (pl.: thalami; from Greek θάλαμος, "chamber") is a large mass of gray matter on the lateral walls of the third ventricle forming the dorsal...

The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites...

KRAS (Kirsten rat sarcoma virus) is a gene that provides instructions for making a protein called K-Ras, a part of the RAS/MAPK pathway. The protein relays...

The water caltrop is any of three extant species of the genus Trapa: Trapa natans, Trapa bicornis and the endangered Trapa rossica. It is also known as...

Vaccinia virus (VACV or VV) is a large, complex, enveloped virus belonging to the poxvirus family. It has a linear, double-stranded DNA genome approximately...

Archaeidae, also known as assassin spiders and pelican spiders, is a spider family with about ninety described species in five genera. It contains small...

The Barbary Coast was a red-light district during the second half of the 19th and early 20th centuries in San Francisco that featured dance halls, concert...

As of 2022,[update] there are 3,971 known snake species with around 600 venomous species in the world, and about 200 are able to kill a human. This is...

Current laws passed by the Parliament of Canada in 2014 make it illegal to purchase or advertise sexual services and illegal to live on the material benefits...

An eggshell is the outer covering of a hard-shelled egg and of some forms of eggs with soft outer coats. Nematode eggs present a two layered structure:...

The Japanese Chin (Japanese: 狆, chin), also known as the Japanese Spaniel, is a toy dog breed, being both a lap dog and a companion dog, with a distinctive...