Search results

The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms...

Adenosine triphosphate (ATP) is a nucleotide that provides energy to drive and support many processes in living cells, such as muscle contraction, nerve...

The walrus (Odobenus rosmarus) is a large pinniped marine mammal with discontinuous distribution about the North Pole in the Arctic Ocean and subarctic...

Crayfish are freshwater crustaceans belonging to the infraorder Astacidea, which also contains lobsters. Taxonomically, they are members of the superfamilies...

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive...

Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring...

The Border Collie is a British breed of herding dog of the collie type of medium size. It originates in the region of the Anglo-Scottish border, and descends...

Lavandula (common name lavender) is a genus of 47 known species of perennial flowering plants in the mints family, Lamiaceae. It is native to the Old World...

The endoplasmic reticulum (ER) is a part of a transportation system of the eukaryotic cell, and has many other important functions such as protein folding...

Ploidy (/ˈplɔɪdi/) is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal...

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...

The Pterygota (Ancient Greek: πτερυγωτός, romanized: pterugōtós, lit. 'winged') are a subclass of insects that includes all winged insects and the orders...

Ethology is a branch of zoology that studies the behaviour of non-human animals. It has its scientific roots in the work of Charles Darwin and of American...

The following list of cat breeds includes only domestic cat breeds and domestic and wild hybrids. The list includes established breeds recognized by various...

The Human Genome Project (HGP) was an international scientific research project with the goal of determining the base pairs that make up human DNA, and...

Malus (/ˈmeɪləs/ or /ˈmæləs/) is a genus of about 32–57 species of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard...

A model organism (often shortened to model) is a non-human species that is extensively studied to understand particular biological phenomena, with the...

Haplorhini (/hæpləˈraɪnaɪ/), the haplorhines (Greek for "simple-nosed") or the "dry-nosed" primates is a suborder of primates containing the tarsiers and...

The western jackdaw (Coloeus monedula), also known as the Eurasian jackdaw, the European jackdaw, or simply the jackdaw, is a passerine bird in the crow...

The American badger (Taxidea taxus) is a North American badger similar in appearance to the European badger, although not closely related. It is found...