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Human sexuality is the way people experience and express themselves sexually. This involves biological, psychological, physical, erotic, emotional, social...

Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus...

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...

A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus Bombus, part of Apidae, one of the bee families. This genus...

The house mouse (Mus musculus) is a small mammal of the order Rodentia, characteristically having a pointed snout, large rounded ears, and a long and almost...

A seahorse (also written sea-horse and sea horse) is any of 46 species of small marine bony fish in the genus Hippocampus. "Hippocampus" comes from the...

Phalacrocoracidae is a family of approximately 40 species of aquatic birds commonly known as cormorants and shags. Several different classifications of...

Chlorophyll at different scales Chlorophyll is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants...

Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow...

Australopithecus (/ˌɒstrələˈpɪθɪkəs, -loʊ-/, OS-trə-lə-PITH-i-kəs, -⁠loh-; from Latin australis 'southern', and Ancient Greek πίθηκος (pithekos) 'ape')...

Common chicory (Cichorium intybus) is a somewhat woody, perennial herbaceous plant of the family Asteraceae, usually with bright blue flowers, rarely white...

The peripheral nervous system (PNS) is one of two components that make up the nervous system of bilateral animals, with the other part being the central...

Conch (/kɒŋk, kɒntʃ/) is a common name of a number of different medium-to-large-sized sea snails. Conch shells typically have a high spire and a noticeable...

Tilia is a genus of about 30 species of trees or bushes, native throughout most of the temperate Northern Hemisphere. The tree is known as linden for the...

Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that are attached to the sea bottom by a stalk in their juvenile form are...

Debeaking, beak trimming (also spelt beak-trimming), or beak conditioning is the partial removal of the beak of poultry, especially layer hens and turkeys...

Dian Fossey (/daɪˈæn/ dy-AN; January 16, 1932 – c. December 26, 1985) was an American primatologist and conservationist known for undertaking an extensive...

Tedros Adhanom Ghebreyesus (Tigrinya: ቴዎድሮስ አድሓኖም ገብረኢየሱስ, sometimes spelt ቴድሮስ ኣድሓኖም ገብረየሱስ; born 3 March 1965) is an Ethiopian public health official...

Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus...

The carrying capacity of an environment is the maximum population size of a biological species that can be sustained by that specific environment, given...