The life of a hornwort starts from a haploid spore. In most species, there is a single cell inside the spore, and a slender extension of this cell called the germ tube germinates from the proximal side of the spore. The tip of the germ tube divides to form an octant of cells, and the first rhizoid grows as an extension of the original germ cell. The tip continues to divide new cells, which produces a thalloid protonema. By contrast, species of the family Dendrocerotaceae may begin dividing within the spore, becoming multicellular and even photosynthetic before the spore germinates. In either case, the protonema is a tran ...

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Hornwort, Hornwort - Description, Hornwort - Life cycle, Hornwort - Classification of Hornworts

Read more here: » Hornwort: Encyclopedia II - Hornwort - Life cycle

Most cicadas go through a life cycle that lasts between two to five years. Some species have much longer life cycles, e.g. the Magicicada goes through a 13- or even 17-year life cycle. Most of this time, the animals spend underground as nymphs at depths ranging from about 30 cm (1 ft) up to 2.5 m (about 8½ ft). The nymphs feed on root juices and have strong front legs for digging. In the final nymphal instar, they construct an exit tunnel to the surface and emerge. On a nearby plant, they molt one la ...

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Cicada, Cicada - Taxonomy, Cicada - Description, Cicada - Life cycle

Read more here: » Cicada: Encyclopedia II - Cicada - Life cycle

Adults appear at the end of April or in May and live only for about five to seven weeks. After about two weeks, the female begins laying eggs, which she buries about 10 to 20 cm deep in the earth. She may do this several times until she has laid between 60 and 80 eggs. The Common Cockchafer lays its eggs in fields, whereas the Forest Cockchafer stays in the vicinity of the trees. The preferred food for adults are oak leaves, bu ...

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Cockchafer, Cockchafer - Taxonomy, Cockchafer - Description, Cockchafer - Life cycle, Cockchafer - Pest control and History

Read more here: » Cockchafer: Encyclopedia II - Cockchafer - Life cycle

The general life-cycle of krill has been the subject of several studies (e.g. Guerny 1942,[Gue42] or Mauchline & Fisher 1969[MF69]) performed on a variety of species and is thus relatively well understood, although there are minor variations in details from species to species. When krill hatch from the eggs, t ...

See also:

Krill, Krill - Taxonomy, Krill - Distribution, Krill - Morphology, Krill - Behaviour, Krill - Life cycle, Krill - Ecology, Krill - Economy, Krill - Footnotes

Read more here: » Krill: Encyclopedia II - Krill - Life cycle

cycle of personal life situations

Period from birthday to birthday; divides 365 days by seven, making periods 52 1/7 days, out of which one period is especially good for expressing the inner nature of the person, like traveling, strengthening of the psychic powers, etc

(See also: Cycle of personal life situations, Body Mind and Soul)

Acanthocephala - General Patterns. Acanthocephalans have complex life cycles, involving a number of hosts, for both developmental and resting stages. Complete life cycles have been worked out for only 25 species. Having been expelled by the female, the acanthocephalan embryo is released along with the feces of the host. For development to occur, the embryo needs to be ingested by an invertebrate, almost always a crustacean (there is one known life cycle which uses a mollusc as a first intermediate host). Inside t ...

See also:

Acanthocephala, Acanthocephala - Morphological Characteristics, Acanthocephala - Digestion, Acanthocephala - Proboscis, Acanthocephala - Phylogenetic Relationships, Acanthocephala - Size, Acanthocephala - Skin, Acanthocephala - Nervous System, Acanthocephala - Sex, Acanthocephala - Other Features, Acanthocephala - Life Cycles, Acanthocephala - General Patterns, Acanthocephala - An example - Polymorphus spp.

Read more here: » Acanthocephala: Encyclopedia II - Acanthocephala - Life Cycles

Adult tapeworms may infect humans, canids, felines, bears, pinnipeds, and mustelids, though the accuracy of the records for some of the nonhuman species is disputed. Immature eggs are passed in feces of the mammal host (the definitive host, where the worms reproduce). Under appropriate conditions, the eggs mature (in approximately 18 to 20 days) and yield oncosphere larvae which develop into coracidia (ciliated larvae). After ingestion by a suitable freshwater crustacean such as a copepod (the first intermediate host) the coracidia de ...

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Diphyllobothriasis, Diphyllobothriasis - Life cycle, Diphyllobothriasis - Geographic distribution, Diphyllobothriasis - Clinical features, Diphyllobothriasis - Diagnosis and treatment

Read more here: » Diphyllobothriasis: Encyclopedia II - Diphyllobothriasis - Life cycle

Each female fly can lay up to 500 eggs (in five batches of 100 eggs each). The eggs are white at about 1.2 mm in length. Within a day, the larvae (maggots) hatch from the eggs; they live and feed in (usually dead and decaying) organic material, such as garbage or feces. They are pale whitish, 3-9 mm long, thinner at the mouth end, and have no legs. After several molts, the maggots crawl to a dry cool place and transform into pupae, colored reddish or brown and about 8mm long. The adult flies then emerge from the pupae. (This whole cycle is k ...

See also:

Housefly, Housefly - Physical description, Housefly - Life cycle, Housefly - Typical behaviors, Housefly - Sex determination mechanism, Housefly - Evolution, Housefly - Flies and humans

Read more here: » Housefly: Encyclopedia II - Housefly - Life cycle

All kender go through the life cycle, a never ending circle of life and death (some kender may argue that the circle is in fact a pentagon for the sheer reason that they like pentagons better). Kender - Birth. Kender have a typical birth — the mother has a 9 month pregnancy and usually has one child at a time. An average kender mother will have three to five children in her lifetime. Kender names are chosen from a wide range of sources. Corruptions of other words, like Cassel from Castle, or from recent events or items in pouches, like ...

See also:

Kender, Kender - Origin, Kender - Physiology, Kender - Life Cycle, Kender - Birth, Kender - Young Childhood, Kender - Childhood, Kender - Teenage Years, Kender - Adulthood, Kender - Settling Down, Kender - Death, Kender - Traits, Kender - Handling, Kender - Kender Taunts, Kender - Kender Fearlessness, Kender - Weapons, Kender - Hoopak, Kender - Chapak, Kender - Famous Kender, Kender - Subraces of Kender

Read more here: » Kender: Encyclopedia II - Kender - Life Cycle

The life cycle of frogs contains many stages. Typically, the male frogs of a species will assemble at a still water source. They will then call, collectively becoming a chorus of frogs. The call is unique to the species, and will attract females of that species. Some species have satellite males who do not call but intercept females approaching one of the calling males. The male and female frog, will then undergo amplexus. This involves the male mounting the female. The female then releases her eggs, which the male frog covers with a ...

See also:

Frog, Frog - Characteristics, Frog - Call, Frog - Poison, Frog - Distribution and status, Frog - Life cycle, Frog - Diversity of reproductive behaviours, Frog - Diet and Predators, Frog - Taxonomy, Frog - Frogs in popular culture

Read more here: » Frog: Encyclopedia II - Frog - Life cycle

A given cell of a thunderstorm goes through three stages: the cumulus stage, the mature stage, and the dissipation stage. In the cumulus stage of a thunderstorm cell, masses of moisture are pushed upwards. The trigger for this can be solar insolation heating the ground producing thermals, areas where two winds converge forcing air upwards, or where winds blow over areas of high ground. The moisture rapidly cools into liquid drops of water, which appears as cumulus clouds. As the water vapour condense ...

See also:

Thunderstorm, Thunderstorm - Classification, Thunderstorm - Severe thunderstorm, Thunderstorm - Life cycle

Read more here: » Thunderstorm: Encyclopedia II - Thunderstorm - Life cycle

Each female fly can lay up to 500 eggs (in five batches of 100 eggs each). The eggs are white at about 1.2 mm in length. Within a day, the larvae (maggots) hatch from the eggs; they live and feed in (usually dead and decaying) organic material, such as garbage or feces. They are pale whitish, 3-9 mm long, thinner at the mouth end, and have no legs. At the end of their third instar, the maggots crawl to a dry cool place and transform into pupae, colored reddish or brown and about 8mm long. The adult flies then emerge from the pupae. (This who ...

See also:

Housefly, Housefly - Physical description, Housefly - Life cycle, Housefly - Typical behaviors, Housefly - Sex determination mechanism, Housefly - Evolution, Housefly - Flies and humans

Read more here: » Housefly: Encyclopedia II - Housefly - Life cycle

Schistosomes have a typical trematode vertebrate-invertebrate lifecycle, with humans being the definitive host. The life cycles of all five human schistosomes are broadly similar: parasite eggs are released into the environment from infected individuals, rupturing on contact with fresh water to release the free-swimming miracidium. Miracidia infect fresh-water snails by penetrating the snail's foot. After infection, close to the site of penetration, the miracidium transforms into a primary (mother) sporocyst. Germ cells within the primary sp ...

See also:

Schistosomiasis, Schistosomiasis - Types, Schistosomiasis - Geographical distribution and epidemiology, Schistosomiasis - Life cycle, Schistosomiasis - Pathology, Schistosomiasis - Clinical features, Schistosomiasis - Laboratory diagnosis, Schistosomiasis - Treatment, Schistosomiasis - Prevention and hygiene

Read more here: » Schistosomiasis: Encyclopedia II - Schistosomiasis - Life cycle

Mononegavirales - Entry. Viral particles enter a cell by binding to a cell surface receptor (eg sialic acid) and inducing fusion between the viral envelope and the cell membrane. In the cytoplasm, the particle uncoats, releasing the genome. Mononegavirales - mRNA synthesis. The genomic sequence is negative sense, therefore it does not code for proteins. Complimentary sequences must first be transcribed by an RNA-dependant RNA polymerase (RDRP). This inability of the genome to p ...

See also:

Mononegavirales, Mononegavirales - Structure, Mononegavirales - Life cycle, Mononegavirales - Entry, Mononegavirales - mRNA synthesis, Mononegavirales - Protein synthesis and genome synthesis, Mononegavirales - Assembly and exit, Mononegavirales - RNA editing, Mononegavirales - Evolution

Read more here: » Mononegavirales: Encyclopedia II - Mononegavirales - Life cycle

Walruses mate in the water and give birth on land or ice floes. They feed in the water, diving to depths of 300 ft (90 m), sometimes staying under for as long as a half hour. Clams and mollusks form a large part of their diet. Male walruses compete for territory, often fighting each other; the winners in these fights breed with large numbers of females. Older male walruses frequently bear large scars from t ...

See also:

Walrus, Walrus - Life cycle, Walrus - Life style, Walrus - Population, Walrus - The walrus in culture, Walrus - Walruses in literature and music, Walrus - The Walrus in other Media, Walrus - Trivia, Walrus - External link

Read more here: » Walrus: Encyclopedia II - Walrus - Life cycle

Walruses mate in the water and give birth on land or ice floes. They feed in the water, diving to depths of 300 ft (90 m), sometimes staying under for as long as a half hour. Clams and mollusks form a large part of their diet. Male walruses compete for territory, often fighting each other; the winners in these fights breed with large numbers of females. Older male walruses frequently bear large scars from t ...

See also:

Walrus, Walrus - Life cycle, Walrus - Population, Walrus - The walrus in culture, Walrus - Walruses in literature and music, Walrus - The Walrus in other Media, Walrus - Trivia, Walrus - External link

Read more here: » Walrus: Encyclopedia II - Walrus - Life cycle

Auditors may be involved in SDLC projects to varying degrees, from a post-implementation review to thorough involvement of each step in the process. Each project should be assessed for risk to determine the appropriate level of review needed. In addition, auditors should consider how important the projects are to the financial statements, the degree of reliance on controls, and the existence of manual controls. Process risks include: Lack of a formal development process Unclea ...

See also:

Software development life cycle, Software development life cycle - Life Cycle Types, Software development life cycle - Rapid Application Development RAD, Software development life cycle - End-User Development EUD, Software development life cycle - Auditor Involvement in Development, Software development life cycle - Auditor Review and Recommendations, Software development life cycle - Auditing Formal Software Development Processes, Software development life cycle - Auditing The System Development Process, Software development life cycle - Planning, Software development life cycle - Development, Software development life cycle - Implementation, Software development life cycle - Maintenance

Read more here: » Software development life cycle: Encyclopedia II - Software development life cycle - Auditor Involvement in Development

Auditors should review the software development process and procedures, even if they are not involved in a particular project. This review should evaluate the procedures and how they are implemented. The process of development and the quality of the final software may also be assessed if needed or requested. A business may want the auditing firm to be involved throughout the process to catch problems earlier on so that they can be fixed more easily. An auditor can serve as a controls consultant as part of the dev ...

See also:

Software development life cycle, Software development life cycle - Life Cycle Types, Software development life cycle - Rapid Application Development RAD, Software development life cycle - End-User Development EUD, Software development life cycle - Auditor Involvement in Development, Software development life cycle - Auditor Review and Recommendations, Software development life cycle - Auditing Formal Software Development Processes, Software development life cycle - Auditing The System Development Process, Software development life cycle - Planning, Software development life cycle - Development, Software development life cycle - Implementation, Software development life cycle - Maintenance

Read more here: » Software development life cycle: Encyclopedia II - Software development life cycle - Auditor Review and Recommendations

The life cycle of frogs contains many stages. Typically, the male frogs of a species will assemble at a still water source. They will then call, collectively becoming a chorus of frogs. The call is unique to the species, and will attract females of that species. Some species have satellite males who do not call but intercept females approaching one of the calling males. The male and female frog, will then undergo amplexus. This involves the male mounting the female. The female then releases her eggs, which the male frog covers with a ...

See also:

Frog, Frog - Characteristics, Frog - Call, Frog - Poison, Frog - Distribution and status, Frog - Life cycle, Frog - Diversity of reproductive behaviours, Frog - Diet and Predators, Frog - Taxonomy, Frog - Distinction of frogs and toads, Frog - Hybridisation, Frog - Evolution, Frog - Uses

Read more here: » Frog: Encyclopedia II - Frog - Life cycle

Adult female Dracunculus worms emerge from the skin of infected persons annually. Persons with worms protruding through the skin may enter sources of drinking water and unwittingly allow the worm to release larvae into the water. These larvae are ingested by fresh water copepods ("water fleas") where these develop into the infective stage in 10-14 days. Persons become infected by drinking water containing the water fleas harboring the infective s ...

See also:

Dracunculiasis, Dracunculiasis - Life cycle, Dracunculiasis - Symptoms, Dracunculiasis - Treatment, Dracunculiasis - Affected countries, Dracunculiasis - GWD-free countries, Dracunculiasis - Prevention, Dracunculiasis - Resources

Read more here: » Dracunculiasis: Encyclopedia II - Dracunculiasis - Life cycle

Most jellyfish pass through two different body forms during their life cycle. The first is the polyp stage; in this phase, the jellyfish takes the form of either a sessile stalk which catches passing food, or a similar free-floating configuration. The polyp's mouth and tentacles are located anteriorly, facing upwards. In the second stage, the jellyfish is known as a medusa. Medusae have a radially symmetric, umbrella-shaped shaped body called a bell. The medusa's tentacles hang from the border of ...

See also:

Jellyfish, Jellyfish - Life cycle and reproduction, Jellyfish - Defense and feeding mechanisms, Jellyfish - Body systems, Jellyfish - Blooms and grouping, Jellyfish - Jellyfish in captivity, Jellyfish - Cuisine, Jellyfish - Treatment of stings

Read more here: » Jellyfish: Encyclopedia II - Jellyfish - Life cycle and reproduction