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Topic: Metamorphosis (biology)


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 ScienceDaily: Biology
Biology is the branch of science dealing with the study of life.
At the organism level, biology has partially explained phenomena such as birth, growth, aging, death and decay of living organisms, similarities between offspring and their parents (heredity) and flowering of plants which have puzzled humanity throughout history.
Biology -- Biology is the branch of science dealing with the study of life.
www.sciencedaily.com /encyclopedia/biology   (0 words)

  
 Metamorphosis (biology) Summary
Metamorphosis, or a change in form, in biology means the transition from a larval stage to an adult stage.
In animals, metamorphosis is the change in structure from larva to adult.
Metamorphosis is a process in biology by which an individual physically develops after birth or hatching, and involves significant change in form as well as growth and differentiation.It usually accompanies a change of habitat or of habits, but may occur...
www.bookrags.com /Metamorphosis_(biology)   (286 words)

  
 Biology Knowledge
Biology is the branch of science dealing with the study of life.
At the organism level, biology has explained phenomena such as birth, growth, aging, death and decay of living organisms, similarities between offspring and their parents (heredity) and flowering of plants which have puzzled humanity throughout history.
However, at the molecular scale, life is studied in the disciplines of molecular biology, biochemistry, and molecular genetics.
www.biologyknowledge.com   (1971 words)

  
 Ontogeny
Ontogeny, phylogeny, evolution and metamorphosis are all related, all different aspects of the same larger process.
And here we return to biology because the ontogeny of Gaia is the totality of the phylogenies of all the biotic lineages that make up Gaia, as well as the ontogeny of the atmosphere, lithosphere, hydrosphere, etc.
As I said, ontogeny, phylogeny, evolution and metamorphosis are all tied in together as different perspectives of the same whole.
www.kheper.net /ontogeny   (0 words)

  
 Amphibian Biology
Tiny larvae hatch from these translucent eggs, and are nourished for a short period by a yolk sac.
Salamander larvae possess bushy, external gills that are usually lost upon metamorphosis, except in the case of neotenic species or populations.
Garcia, Fuhrman, F.A. "Tetradotoxin, tarichatoxin, and chiriquitoxin: Historical perspectives." In C.Y. Kao and S.R. Levinson, eds., Tetradotoxin, Saxitoxin, and the Molecular Biology of the Sodium Channel.
www.livingunderworld.org /biology   (1558 words)

  
 Metamorphosis - Definitions from Dictionary.com
Biology A change in the form and often habits of an animal during normal development after the embryonic stage.
Metamorphosis includes, in insects, the transformation of a maggot into an adult fly and a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog.
The transformation of a maggot into an adult fly and of a tadpole into an adult frog are examples of metamorphosis.
dictionary.reference.com /browse/Metamorphosis   (0 words)

  
 Cockroach References?
In: "Insect Biology in the Future" M. Locke, and D. Smith, Eds., Academic Press, New York, pp.
Corpus allatum regulation during the metamorphosis of Periplaneta americana: axon pathways.
Description of Cryptocercus clevelandi (Dictyoptera: Cryptocercidae) from the Northwestern United States, molecular analysis of bacterial symbionts in its fat body, and notes on biology, distribution, and biogeography.
www.bio.umass.edu /biology/kunkel/roachbib.html   (0 words)

  
 metamorphosis (biology)
Period during the life cycle of many invertebrates, most amphibians, and some fish, during which the individual's body changes from one form to another through a major reconstitution of its tissues.
For example, adult frogs are produced by metamorphosis from tadpoles, and butterflies are produced from caterpillars following metamorphosis within a pupa.
In classical thought and literature, metamorphosis is the transformation of a living being into another shape, either living or inanimate (for example Niobe).
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0008062.html   (302 words)

  
 Encyclopedia :: encyclopedia : Biology   (Site not responding. Last check: )
At the level of the cell, it is studied in cell biology, and at multicellular scales, it is examined in physiology, anatomy, and histology.
The central organizing concept in biology is that all life has a common origin and has changed and developed through the process of evolution, which led to the striking similarity of units and processes discussed in the previous section.
For example, evolutionary biology leans heavily on techniques from molecular biology to determine DNA sequences, which assist in understanding the genetic variation of a population; and physiology borrows extensively from cell biology in describing the function of organ systems.
www.hallencyclopedia.com /topic/Biology.html   (2550 words)

  
 Principles of Developmental Biology
Metamorphosis is a feature seen during the development of embryos belonging to many different phyla.
Metamorphosis is the transition from the larva to the adult, and it is a complex and highly regulated process.
Metamorphosis in the frog is driven by the secretion of thyroid hormones by the anterior pituitary.
www.wwnorton.com /college/biology/devbio/chaptersummary/ch8.htm   (656 words)

  
 Biology - Crystalinks
Biology has become such a vast research enterprise that it is not generally regarded as a single discipline, but as a number of clustered sub-disciplines.
For example, evolutionary biology leans heavily on techniques from molecular biology to determine DNA sequences, which assist in understanding the genetic variation of a population; and physiology borrows extensively from cell biology in describing the function of organ systems.Every living thing interacts with other organisms and its environment.
Molecular biology is the study of biology at a molecular level.
www.crystalinks.com /biologydefinition.html   (1996 words)

  
 The Nature Institute - Metamorphosis and Metamorphic Thinking
Metamorphosis is a central theme in Waldorf high school biology teaching.
When we speak about metamorphosis, we're not only concerned with a specific content, such as the metamorphosis of a tadpole into a frog or the metamorphosis of leaves in an annual flowering plant.
I, for one, became interested in the Goethean approach to biology, precisely because I was not satisfied with all the reductive explanations I learned in biology classes and textbooks.
natureinstitute.org /txt/ch/hsmetamorph.htm   (2326 words)

  
 Darwinism Refuted.com
Those sources which cite metamorphosis as "an example of evolution" are superficial, narrow-based works of propaganda which seek to mislead those who do not possess sufficient information on the subject, juvenile evolutionists, or a few ignorant Darwinist biology teachers.
It is not chance that brings metamorphosis about, but genetic data which are built-in in the creature from the moment it is born.
Metamorphosis is a "planned change" encoded inside genetic information, and bears no similarity to evolution, which means "coincidental change." Metamorphosis is an example of "irreducible complexity," and is evidence that disproves evolution.
www.darwinismrefuted.com /20questions17.html   (664 words)

  
 Study Materials for the Entomology Contests
Biology: Immature stages are grub-like or worm-like and the insects pass through a pupal stage before becoming adults.
Biology: Scorpionflies are harmless and are so named because some of the males have the end of the abdomen enlarged which makes it look like the stinger of a scorpion.
Biology: Scorpions are easily recognized by the pincers on the first set of appendages (pedipalps), the long tail with a stinger at the end and the flattened appearance of the body.
entowww.tamu.edu /youth/4H/studymaterials/intermediate/orders.html   (3405 words)

  
 Study Materials for the Entomology Contests
Biology: Immature stages are grub-like or worm-like and the insects pass through a pupal stage before becoming adults.
Biology: Scorpionflies are harmless and are so named because some of the males have the end of the abdomen enlarged which makes it look like the stinger of a scorpion.
Biology: Scorpions are easily recognized by the pincers on the first set of appendages (pedipalps), the long tail with a stinger at the end and the flattened appearance of the body.
insects.tamu.edu /youth/4H/studymaterials/intermediate/orders.html   (3405 words)

  
 Tutorial
The more we know about their biology and behavior, including their natural enemies, the more likely we will be able to manage them effectively.
In gradual metamorphosis, the nymphal stages resemble the adult except that they lack wings and the nymphs may be colored differently than the adults.
Gradual metamorphosis is typical of true bugs and grasshoppers; complete metamorphosis is typical of beetles, flies, moths, and wasps.
www.nysaes.cornell.edu /ent/biocontrol/info/primer.html   (2084 words)

  
 Metamorphosis vs Neoteny
Metamorphosis defined is: A series of abrupt postembryonic changes involving structural, physiological, biochemical, and behavioral transformations (Duellman and Trueb, 1986).
Metamorphosis begins when the hypothalumus of the salamander brain sends a signal to the pituitary gland to release its hormones.
Dodd, M.H.I. and Dodd J.M. "The Biology of Metamorphosis." Physiology of the Amphibia.
darkwing.uoregon.edu /~titus/herp_old/neoteny.htm   (1727 words)

  
 Eccles Institute of Human Genetics - Carl S. Thummel
During metamorphosis, ecdysone signals the destruction of most of the tissues that the larva used for its survival and growth.
Beckstead, R.B., Lam, G., and C.S. Thummel (2005) The genomic response to 20-hydroxyecdysone at the onset of Drosophila metamorphosis.
Fisk, G.J. and C.S. Thummel (1998) The DHR78 nuclear receptor is required for ecdysteroid signaling during the onset of Drosophila metamorphosis.
www.genetics.utah.edu /faculty/cthummel.html   (1583 words)

  
 Mike Hadfield - Department of Zoology, University of Hawaii
Induction of metamorphosis in larvae of a sponge.
The role of bacteria in larval settlement and metamorphosis of the polychaete Hydroides elegans.
Composition and density of bacterial biofilms affect metamorphosis of the polychaete Hydroides elegans.
www.hawaii.edu /zoology/faculty/hadfield.htm   (1923 words)

  
 WFU | Biology | Research Opportunities
Biology of Freshwater Mussels: a Taxon in Peril
Important questions currently being investigated ask why nuclear hormone receptors associated with early development are expressed in the bee brain when metamorphosis is complete, how foraging experience increases the volume of the mushroom body neuropil in forager honey bees, and how the circadian clock in the honey bee brain controls behavior.
The Fahrbach laboratory is also participating in a 5 year, multi-investigator project funded by the National Science Foundation (http://inquiry.uiuc.edu/cil/out.php?cilid=225) that is using the honey bee to investigate the relationship between nature and nurture by identifying behaviorally relevant patterns of gene expression in the honey bee brain.
www.wfu.edu /biology/new/grad/resopp.html   (2865 words)

  
 The whatUseek Directory - Biology
Via Thoreau's Walden, it suggests the human species is as close to insects as apes.
Site has information on and reports from NAS boards on Biology, Environmental Studies and Toxicology, and Radiation Effects Research, and the Institute for Laboratory Animal Research.
Public Domain Resources in Biology - The aim of this project is to promote the development of a repository of public domain biological resources.
dir.whatuseek.com /Science/Biology   (362 words)

  
 Animal Coloring pages: Life Cycles - EnchantedLearning.com
Cut out the four scenes and arrange them so they show the life cycle of the painted lady butterfly from egg to adult as it undergoes complete metamorphosis.
Cut out the four scenes and arrange them so they show the life cycle of the ladybug from egg to adult as it undergoes complete metamorphosis.
Cut out the four scenes and arrange them so they show the life cycle of the mosquito from egg to adult as it undergoes complete metamorphosis.
www.enchantedlearning.com /coloring/lifecycles.shtml   (0 words)

  
 PestWorld for Kids: Lesson Plans for elementary teachers about the ecology, biology, and management of pest species ...
PestWorld for Kids: Lesson Plans for elementary teachers about the ecology, biology, and management of pest species including insects and rodents.
Pests provide a fascinating entry point into many curricular subjects, including biology, ecology, environment, and health.
Use our K-2 and 3-5 grade lesson plans to teach insect anatomy, the social life of termites, the scientific inquiry process, and much more.
www.pestworldforkids.org /forteachers.html   (0 words)

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