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Brachychiton

Brachychiton is a genus of 31 species of trees and large shrubs. They grow naturally in Australia and New Guinea. Fossils from New South Wales and New Zealand are believed to be 50 million years old. The name Brachychiton is comes from the Greek ...

                                               

Brassica

Brassica is a genus of plants in the mustard family found in Europe and Asia. The members of the genus produce many foods, such as broccoli, cauliflower, cabbage, choy sum, rutabaga, turnip, canola, and mustard.

                                               

Brassicales

Family Moringaceae thirteen species of trees from Africa and India Family Akaniaceae Order Brassicales Family Setchellanthaceae Family Bataceae salt-tolerant shrubs from America and Australasia Family Gyrostemonaceae Family Capparaceae caper fami ...

                                               

Brazilwood

Brazilwood or Pau-Brasil, sometimes known as Pernambuco wood is a Brazilian tree. It has a dense, orange-red wood, and it is the most frequently used wood for making bows for string instruments from the violin family. The wood also gives a red dy ...

                                               

Breast cancer

Breast cancer is cancer in the breast. Breast cancer is the fifth-most common cause of cancer death in the world. The first four are lung cancer, stomach cancer, liver cancer, and colon cancer. In 2005, breast cancer caused 502.000 deaths 7% of c ...

                                               

Brief psychotic disorder

Brief psychotic disorder is a short illness of less than one month that has psychotic symptoms. This could be like having schizophrenia symptoms for only an hour, but it can be any psychotic disorder, such as delusions or hallucinations. Doctors ...

                                               

Bronchus

Bronchi are the large air tubes leading from the trachea to the lungs. They carry air to the lungs. The trachea windpipe divides to form the right and left main bronchi. These divide to form smaller and smaller tubes called bronchioles. Eventuall ...

                                               

Brood parasitism

Brood parasites are animals, usually birds, which trick other species to raise their young. The best-known example is the cuckoo. Brood parasitism works because the parasite develops faster than the resident eggs, kills its nestmates and turfs th ...

                                               

Brown algae

Brown algae are a large group of multicellular algae. All the brown algae are multicellular. Most brown algae have fucoxanthin, a chemical that gives them a brown color. They inlude many seaweeds in colder waters of the Northern Hemisphere. Most ...

                                               

Brown fur seal

The brown fur seal, is a type of fur seal. It is also called the Cape fur seal, South African fur seal and Australian fur seal.

                                               

Brown tree frog

The brown tree frog, whistling tree frog, Ewings tree frog, or southern brown tree frog is a frog from Australia. It lives in southeastern Australia and Tasmania, but it also lives in New Zealand. Adults are about 3.0 to 5.0 cm long. Females are ...

                                               

Budgerigar

The budgerigar is a small parrot. It belongs to the family of old-world parrots and parakeets. Budgerigars are often called parakeets, especially in American English. The term Parakeet refers to many types of small parrots with long flat tails. T ...

                                               

Bufonidae

Bufonidae is a family of the "true toads". The family has 35 genus. The Bufonidae toads are found almost everywhere and are well known. True toads can be found on every continent except Australia and Antarctica. They can be found in rain forest. ...

                                               

Bulldog

Bulldogs are medium in size, and they are wide and compact with large, thick heads. Their muzzle nose and mouth is short, like a pugs. They have stocky legs at each corner of their muscular body, so when they walk, they take short steps and swing ...

                                               

Bullmastiff

The Bullmastiff is a breed of dog. It started in 19th-century England. It is a mixture of a bulldog and a mastiff. It has a short tan, reddish-brown coat with black on the face and ears.

                                               

Bumpy rocket frog

The bumpy rocket frog or Peters frog is a frog from Australia. It lives all across the northern and eastern parts of Australia, in Queensland, the Northern Territory, and Western Australia. An adult frog is 3.5 cm in length. It is light and dark ...

                                               

Bushtit

The bushtit is a long-tailed tit found in North America. It is the only species in the family found in the New World, and the only member of the genus Psaltriparus. The bushtit lives in mixed open woodlands. It also lives in parks and gardens. It ...

                                               

Buttocks

The buttocks are two parts of the body. They are on the back of the pelvic area and give padding when people sit. They can also arouse human sexuality. Buttocks are formed mainly from two large muscles on each side. These are the gluteus maximus ...

                                               

Caiman

The Caiman is a subfamily of the Alligators. The alligators are divided into True alligators and caimans. Caimans and true alligators develop slower than the rest of the crocodiles. Their lifestyle is also slower. Because of this, they grow older ...

                                               

Cairn Terrier

The Cairn Terrier is a breed of working dogs. It is one of the oldest terrier dog breeds. It is a small terrier from the Scottish Highlands. The breed was used for hunting among the cairns. Cairn Terriers have rough hair or fur that helps to prot ...

                                               

California condor

The California condor, is a New World vulture, the largest North American land bird. It became extinct in the wild in 1987, but has been reintroduced to northern Arizona and southern Utah, the coastal mountains of central and southern California, ...

                                               

California red-legged frog

The California red-legged frog is a semi-aquatic frog. It is part of the Ranidae frogs or "true frogs". The California red-legged frog are endemic to California and Baja California, Mexico. The frog is a near threatened species. It is protected b ...

                                               

Callosamia promethea

The Promethea Moth is a species of moth. It belongs in the family Saturniidae. It is also known as the Promethea Silkmoth or the Spicebush Silkmoth.

                                               

Calocochlea pan

Calocochlea pan is a species of large air-breathing land snail, a pulmonate gastropod mollusk in the family Bradybaenidae. This species is very common in the Philippines. The shell is between 41 and 47 millimeters long with brown spiral bands and ...

                                               

Calotropis gigantea

Crown flower is a species of plant. It is also known as Giant Milkweed. It belongs in the subfamily Asclepiadodeae. It is native to southeast Asia. It has been naturalized in Hawaii.

                                               

Canidae

Canidae is a family of carnivorous and omnivorous mammals of the order Carnivora. Animals that belong to the family Canidae are called canids. The family Canidae is divided into two tribes: Vulpini, and Canini. Canids of the tribe Vulpini are cal ...

                                               

Caniformia

Caniformia is a suborder of the order Carnivora. It contains all the dog-like mammals: Unlike the cat-like Feliformia, these animals have claws that are unable to contract. This group contains bears, seals, and true dogs, and more. The other subo ...

                                               

Cannabaceae

Cannabaceae the hemp family of the rose order, containing 11 genera and 270 species of aromatic herbs distributed throughout temperate parts of the Northern Hemisphere.

                                               

Cape York graceful tree frog

The Cape York graceful tree frog is a tree frog from Australia. It lives on Cape York in Queensland. This frog lives in rainforests with a monsoon climate and it likes areas with many vines close to water. The male frog has a call that sounds lik ...

                                               

Capensibufo

Capensibufo is a genus of true toads with only two species. The common English name is Cape Toads. They live in the Republic of South Africa from Breede River to north of Knysna, Western Cape Province.

                                               

Capparis decidua

Capparis decidua is commonly known as karir, kair, kirir, karril, etc. It is either a small tree with many branches or a shrub of the Thar desert and other hot and dry regions in southern Asia. It has a lot of thin, leafless branches, the small l ...

                                               

Caprinae

Caprinae is a subfamily of the even-toed ungulate family Bovidae. Animals of the Caprinae subfamily are called caprid or goat-antelope. The domestic sheep Ovis aries and domestic goat Capra hircus are part of this group.

                                               

Carbon footprint

The term carbon footprint is how much carbon goes into the air because of something done by people or that is not done by nature. Doing something that burns fuel will make carbon dioxide gas. It is the total amount of greenhouse gases produced to ...

                                               

Cardiac arrest

Cardiac arrest happens when the heart suddenly stops beating. This can be caused by a heart attack in which the hearts demand for oxygen is not met and the heart muscle begins to die. With cardiac arrest, normal circulation of blood stops, becaus ...

                                               

Caricaceae

Caricaceae is a family of flowering plants in the order Brassicales, found in tropical regions of Central and South America and Africa. They are short-lived evergreen pachycaul shrubs or small trees growing to 5–10 m tall; many bear edible fruit. ...

                                               

Carnassial

Carnassials are large teeth used for shearing flesh and bone in a scissor- or shear-like way. They are found in many carnivorous mammals, In the Carnivora, the carnassials are the modified last upper premolar and the first molar. In the Creodonta ...

                                               

Carolina parakeet

The Carolina parakeet is an extinct species of parrot. It was the last parrot type to have lived before the European conquest in the eastern United States. It was found from the Ohio Valley to the Gulf of Mexico, and lived in old woods along rive ...

                                               

Carrion beetle

Carrion beetle is the name for a group of beetles, where the larvae feed on raw flesh. They are also known as large carrion beetles or burying beetles. They are the family Silphidae, which belongs to the order Coleoptera. Over 180 species of such ...

                                               

Carrying capacity

In biology, the carrying capacity of an environment is the number of organisms of a particular species that can live there without harming the environment. If too many organisms live in an environment, it is called overpopulation. The carrying ca ...

                                               

Caryophyllales

Caryophyllales is a flowering plant order that includes the cacti, carnations, amaranths, ice plants, and most carnivorous plants. Many members are succulent, having fleshy stems or leaves.

                                               

Caspian tiger

The Caspian tiger is an extinct sub species of the tiger. It was the most western sub species of the tiger, very close to Europe. They became extinct in the 1970s. They were found in Turkey, Armenia, Iraq, Azerbaijan, Iran, Mongolia, and Georgia. ...

                                               

Caste (biology)

In some eusocial species, individuals of one species live together in colonies. These groups are often called nests or hives. Often there is a division of labour. In Hymenoptera, for example, a hive may have several kinds of females, which by Pol ...

                                               

Cataplexy

Cataplexy is a medical condition where people become limp when they are exposed to spontaneous emotions such as laughter, fright, anger, or sadness. People who have cataplexy will sometimes see that some of their muscles suddenly fail them. Catap ...

                                               

Catfish

Catfish are an order of teleost fish, the Siluriformes. There are about 40 families in the order. They are called catfish because their barbels look like the whiskers of a cat. They are very diverse. The heaviest is the Mekong giant catfish, up t ...

                                               

Catopuma

Catopuma is a genus containing two small Asian felines, the bay cat and the Asian golden cat. The bay cat is sometimes classified as Pardofelis bardia, and the marbled cat is also in that genus. Because the genetic evidence is that all three cats ...

                                               

Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel is a small breed of dog of the spaniel type. Unlike their larger spaniel cousins, they are not now used for hunting and are mostly kept as pets.

                                               

Cedrus deodara

Cedrus deodara is a species of cedar trees. It is also known as: Deodar cedar, Himalayan cedar, or Himalayan deodar. It is common in the western Himalayas, eastern Afghanistan, northern Pakistan, north-central India (states such as Himachal Prade ...

                                               

Celestus

Genus Celestus Celestus carraui Celestus duquesneyi Celestus microblepharis Celestus barbouri Celestus haetianus Celestus agasepsoides Celestus badius Celestus sepsoides Celestus rozellae Celestus costatus Celestus hylaius Celestus warreni Celest ...

                                               

Cell biology

Cell biology is the study of how living cells work. This includes the structure and function of the cell organelles, and the carbon-based molecules which cells produce. Cell biology is an interdisciplinary subject, and uses ideas from genetics, b ...

                                               

Cell division

Cell division is the process by which a cell, called the parent cell, divides into two cells, called daughter cells. When the cell divides, everything inside it divides also. The nucleus and the chromosomes divide, and the mitochondria divide als ...