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Papurana daemeli

For other wood frogs, see Wood frog. The Australian bullfrog, Australian wood frog, water frog, Arhem Rana or wood frog Papurana daemeli is a frog from New Guinea and Australia. It lives everywhere in New Guinea up to 1000 meters above sea level. ...

                                               

Papurana grisea

The Went Mountains frog or Montaen swamp frog is a frog from Indonesia and Papua New Guinea. The adult male frog is 6.5 cm long and the adult female frog is 9.0 cm long. They are deep green or brown and may have spots or warts. The legs and sides ...

                                               

Para rubber tree

A Para rubber tree is the tree which naturally produces rubber. It is native to tropical areas from South America, in the Amazon, but was spread by European farmers to the Far East. Para Rubber trees belong to the Euphorbiaceae family. In the wil ...

                                               

Parachuting frog

The parachuting frog or pale-eyed parachuting tree frog is a frog from the island of New Guinea. It is related to the Pinocchio frog and montane Pinocchio frog. The frog uses its webbed toes to steer when it jumps out of trees, like a human in a ...

                                               

Paralysis

Paralysis is the complete loss of muscle function for one or more muscle groups, when the thing that is paralysed cannot move. Paralysis is most often caused by damage to the nervous system or brain, especially the spinal cord. Major causes are s ...

                                               

Parasaurolophus

Parasaurolophus is a genus of ornithopod dinosaur from the Upper Cretaceous of what is now North America, about 76.5–73 million years ago. Its name means "near crested lizard". It was given this name because when it was first discovered scientist ...

                                               

Parasympathetic nervous system

The parasympathetic nervous system is part of the autonomic nervous system. It does the opposite things of the sympathetic nervous system, the other part of the autonomic nervous system. This way, the parasympathetic and sympathetic nervous syste ...

                                               

Parides alopius

The white-dotted cattleheart a species of butterfly. It is in the family Papilionidae. It is endemic to Mexican. It has also been found once in the United States in southeastern Arizona.

                                               

Parides childrenae

The Green-celled Cattleheart is a species of butterfly. It belongs in the family Papilionidae. It is found in southern North America and northern South America.

                                               

Parides erithalion

The Variable Cattleheart is a species of butterfly. It belongs in the family Papilionidae. It is found in North America and South America.

                                               

Parides montezuma

Montezumas Cattleheart is a species of butterfly. It belongs in the family Papilionidae. It is found in North America and South America.

                                               

Parietal lobe

The parietal lobe is a part of the brain positioned above the occipital lobe and behind the frontal lobe. The parietal lobe brings together information from different senses, particularly spatial sense and navigation. For example, it uses input a ...

                                               

Parkinsonian syndrome

Parkinsonian syndrome is a neurological syndrome characterized by tremor, hypokinesia, rigidity, and postural instability. There are many conditions that lead to Parkinsonism, and diagnosis can be difficult. While the neurodegenerative condition ...

                                               

Parma wallaby

The Parma wallaby is the smallest of the macropus genus. It can grow up to 52 cm in length, with a tail about the same length. They weigh up to 5 kg. The Parma wallabys fur is a grey-brown colour on the back with a dark stripe. It has a white str ...

                                               

Parnassiinae

Parnassiinae is a subfamily of butterflies. It belongs in the family Papilionidae. They are commonly known as Apollos and Parnassians. The butterflies in this subfamily are only found in the Holarctic Region. The caterpillars and adults are poiso ...

                                               

Parrotfish

Parrotfishes are a group of marine fishes that live in shallow tropical and subtropical oceans around the world. Previously considered to form a separate family, these fish are now thought to belong to the large family of wrasses. Their numbers a ...

                                               

Passiflora

Passiflora is also known as the passion flowers or passion vines. It is a genus of about 500 species of flowering plants. They are mainly vines, with some being shrubs, and a few species being herbaceous. See passionfruit for information about th ...

                                               

Pauropod

Pauropods are a type of myriapod. They form the only order in the class Pauropoda. About 500 species in four families are found worldwide, living in soil and leaf mold.

                                               

Pavo (genus)

The Asiatic peafowl is a kind of bird. They are the genus Pavo from the Phasianidae family. They originate from Southeast Asia. Blue peafowl or Indian peafowl Pavo cristatus: originally from India, and Pakistan. In Pakistan, it is the provincial ...

                                               

Pearl millet

Pearl millet is the most widely grown type of millet. It has been grown since prehistoric times. It was problably domesticated in the Sahel zone of West Africa. Evidence that has been found in what is now northern Mali, suggests that domesticatio ...

                                               

Pearsons green tree frog

Pearsons green tree frog, Pearsons tree frog, the mountain stream tree frog, cascade tree frog or Cedar Creek tree frog is a frog from Australia. It lives in Queensland and New South Wales, from 200 to 1000 metres above sea level. This frog lives ...

                                               

Pelecaniformes

The Pelecaniformes is a order of medium-sized and large waterbirds. They are found worldwide. As traditionally - but wrongly - defined, they include all birds that have feet with four toes which are all webbed. Most have a bare throat patch. Thei ...

                                               

Pelican

Pelicans are a genus of large water birds of the family Pelecanidae. They have a long beak and a large throat pouch. They drain water from the contents before swallowing the fish. They have mostly pale plumage, the exceptions being the brown and ...

                                               

Pelican eel

The pelican eel is a deep sea fish. They are rarely seen by humans, although these creatures are sometimes hooked on the nets of fishermen. It is a fish with the shape of an eel. It is the only known species of the genus Eurypharynx and the famil ...

                                               

Pellagra

Pellagra is a disease caused by a lack of niacin. Niacin is found in most foods. A person can die from pellagra if it is not treated. The main results of pellagra can be remembered as "the four Ds": diarrhea, dermatitis, dementia, and death.Some ...

                                               

Pelorosaurus

Pelorosaurus conybeari is the name given to a few sauropod dinosaur bones from the Lower Cretaceous period, about 138–112 million years ago. Bones of Pelorosaurus have been found in England and Portugal. It was a Brachiosaur, with front legs that ...

                                               

Peppered tree frog

The peppered tree frog or Black Creek tree frog, speckled leaf tree frog or speckled tree frog is a frog from Australia. Scientists saw it on the New England Tableland in New South Wales. Scientists have seen it between 800 and 1120 metres above ...

                                               

Perch

Perch is a type of fish. Perch are the fish in the genus Perca. Perch have "rough" scales. When looking through a microscope, the scales look like a plate with growth rings and spikes on the top edges. On the top side of the fish, there is a mout ...

                                               

Periodontitis

Periodontitis is a set of diseases which usually attacks the tissues surrounding the teeth. Periodontitis in comparison with Gingivitis is a more severe inflammation, because not only it affects the tissues, but also, it affects the bottom of the ...

                                               

Peristalsis

Peristalsis is a process of contraction and relaxation of the muscle around parts of the alimentary canal. The most familiar example of this is in the oesophagus. In the oesophagus, peristalsis pushes the ball of food down the oesophagus. The smo ...

                                               

Pernicious anemia

Pernicious anemia is a medical problem that causes a person to have too few red blood cells because their intestines cannot absorb vitamin B12 properly. A special protein, called intrinsic factor, helps the body get vitamin B12 from food such as ...

                                               

Perons tree frog

Perons tree frog or emerald-spotted tree frog is a frog from Australia. It lives in Victoria, New South Wales and Queensland, but people have also seen it in a few other places. The adult frog is 6.0 cm long. It lives in forests, grasslands and s ...

                                               

Persian cat

The Persian is a cat from Persia. It is one of the oldest and most popular cat breeds. They are called Longhair or Persian Longhair in Britain. It was made by English breeders and the American ones after the Second World War. Because of very care ...

                                               

Persian Jird

The Persian jird is a species of rodent in the Muridae family. It is found in Afghanistan, Armenia, Azerbaijan, Iran, Iraq, Pakistan, Turkey, and Turkmenistan. The Persian jird is about 6 inches long. It has a brush-tipped tail that is slightly l ...

                                               

Pertussis

Pertussis, also known as whooping cough, is a disease that affects about 300.000 people in the US every year, out of 30–50 million cases per year. There is a vaccine that can prevent it, so most cases of it are in places where people cannot affor ...

                                               

Peyote

The peyote is either of two species of the cactus genus Lophophora of plants in the family Cactaceae. The most common plant, L. williamsii, grow in North America, mostly in Mexico, can be found in the Chihuahuan desert of southern Texas and north ...

                                               

Phacochoerus

Phacochoerus is a genus in the family Suidae, commonly known as warthogs. It is the sole genus of subfamily Phacochoerinae. These pigs live in open and semiopen habitats, even in quite dry regions, in sub-Saharan Africa. The genus Phacochoerus ha ...

                                               

Pharynx

The pharynx is an organ in the back of the throat. It is also the meeting point of the digestive and the respiratory systems. The opening of the respiratory system in the pharynx is called the glottis. It is guarded by a cartilagenous flap called ...

                                               

Pheasant

Pheasants are a group of large birds in the order Galliformes. Males pheasants are usually larger than the females, and they have feathers of bright colours and long tails. There are 35 species of pheasant in 11 different genera. In many countrie ...

                                               

Phengodidae

Phengodidae is a family of glow-worm beetles. Their larvae are also glow-worms. The family occurs only in the New World, and has about 30 genera. Both the females and larvae are bioluminescent: they have organs that can produce light. This family ...

                                               

Pheromone

A pheromone is a scent given off by some animals. The scent causes a social response in members of the same species. There are many types of pheromone, such as: Various short-term pheromones cause a rapid but brief behaviour: e.g. releasing a clu ...

                                               

Philodendron

Philodendron is a large genus of the Arum family, Araceae. Currently, about 900 different species are known. The plants are evergreen flowering plants. Some of them are vines, some can grow as epiphytes. Most of them grow like bushes. They can re ...

                                               

Phycology

Phycology, a part of botany, is the study of algae. Algae are important as primary producers in aquatic ecosystems. Most algae are eukaryotic, photosynthetic organisms that live in a wet environment. They are different from the higher plants by a ...

                                               

Physical anthropology

Physical anthropology deals mainly with looking at how the anatomy of the human body has changed over the course of time. It compares the human body to that of other primates. Studies of physical anthropology often include looking at the evolutio ...

                                               

Picardy Spaniel

The Picardy Spaniel is a medium size spaniel type of gun dog finally developed in France in the 19th century, but has even older origins with the French nobility. It is closely related to the Blue Picardy Spaniel, and they are very alike in appea ...

                                               

Pig-nosed turtle

The pig-nosed turtle, also known as the pitted-shelled turtle or Fly River turtle, is a species of turtle native to northern Australia and southern New Guinea.

                                               

Pika

Pikas are small mammals that resemble chinchillas. Chinchillas are rodents, but pikas are related to the hare and the rabbit, they are lagomorphs. Pikas are also known as rock rabbits or coneys. There are 30 different species of pika. Most Pikas ...

                                               

Pill bug

Armadillidiidae is a family of woodlice, a terrestrial crustacean group in the order Isopoda. They are commonly known as pill bugs or potato bugs or rollie pollies. Pill bugs are not insects, but are crustaceans. Crustaceans are animals with hard ...

                                               

Pilot whale

Pilot whales are two species of oceanic dolphins, whose scientific name is Globicephala. The two types of pilot whales are the long-finned pilot whale and the short-finned pilot whale. Their behaviour resembles that of the larger whales more than ...

                                               

Pinaceae

Pinaceae are trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales. Pinaceae are ...

Encyclopedic dictionary

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Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

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