The silky envelope of an insect that serves as a covering during the pupal stage
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cocoon - Memidex dictionary/thesaurus  "cocoon" definitions: a silky envelope spun by the larvae of many insects to ... spin about themselves for shelter during the pupa stage | any protective cover like . ... of moths and other insects that serves as a covering for their pupal stage. | .
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Cocoon - definition of cocoon by The Free Dictionary  1. the silky envelope spun by the larvae of many insects, as silkworms, serving as a covering while they are in the pupal stage. 2. a similar protective covering in...
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Cocoon | Define Cocoon at Dictionary.com  Cocoon definition, the silky envelope spun by the larvae of many insects, as silkworms, serving as a covering while they are in the pupal stage. See more.
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Chapter 37 Insects Flashcards | Quizlet  A silky envelope spun by the larvae of many insects serving as a covering while ... An animal life cycle in which the individual undergoes two major stages of...
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Cocoon | Definition of Cocoon by Merriam-Webster  Define cocoon: a covering usually made of silk which some insects (such as caterpillars) make ... 1 a : an envelope often largely of silk which an insect larva forms about itself and in which it passes the pupa stage b : any of various other...
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Leaves and Leaf Anatomy - EnchantedLearning.com  The cuticle is generally thicker on plants that live in dry environments. ... epidermis - the protective, outler layer of cells on the surface of a leaf. ... guard cell - one of a pair of sausage-shaped cells that surround a stoma (a pore in a ... the chlorophyll-containing leaf tissue located between the upper and lower .... Word Wheels...
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Serous membrane - Wikipedia  In anatomy, serous membrane (or serosa) is a smooth tissue membrane consisting of two ... The serous membrane covering the heart and lining the mediastinum is ... as a serosa) is one of the thin membranes that cover the walls and organs in the ... The pericardium is a two-layered sac that surrounds the entire heart except...
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Ladybug Anatomy - Article and Diagram - Ladybug Life Cycle  Article on how to create a diagram of ladybug anatomy, image included. ... Sometimes, though, the ladybug will be a solid color with no pattern at all, and can be yellow, ... Ladybugs have a shell, or hard case, that protects their wings and also ... Ladybugs don't seem to have a very good sense of direction when they fly...
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The Difference in Larva and Pupa | Animals - mom.me  The larval and pupal stages of an insect's development are consecutive but very ... The larva is generally a worm-like creature that emerges from the egg, the ... of insects that undergo complete metamorphosis include butterflies, moths, flies,...
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epidermis facts, information, pictures | Encyclopedia.com articles ...  In invertebrates the epidermis is normally only one cell thick and is covered by an impermeable cuticle. ... (in botany) The outermost layer of cells covering a plant. It is overlaid by a cuticle and its functions are principally to protect the plant from...
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Insect - Wikipedia  Insects are a class of invertebrates within the arthropod phylum that have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. They are the most diverse group of animals on the planet, including more ... Insect growth is constrained by the inelastic exoskeleton and development...
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Insect Anatomy - New York State Integrated Pest Management  bug - an insect with thickened wings and mouthparts used for piercing and sucking ... mammals - warm-blooded animals with skeletons; their skin is covered with .... the wings. Small muscles on the thorax can change wing angle and position ..... see at all. Have you heard of ultraviolet colors? A flower may look yellow to you...
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Darwin's Beagle Library - Darwin Online  Apr 3, 2014 ... He defines his last class Entoma, in Latin Insecta, with which we are ... word, as you know, our favourite science takes the name of Entomology. ...... I shall first give you a short abstract of the new hypothesis. ...... place their eggs in the interior of fruits and grain, as the nut, acorn, ......  PALMULA (the Palmlet).
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All about butterflies | Department of Horticulture  Click here, then click on your county either on the map or from the list of counties below it. ... The word "Lepidoptera" means "scaly wings" in Greek. ... The butterfly life cycle has four stages: egg, larva, pupa, and adult. ... Caterpillars often, but not always, have several pairs of true legs, along with several pairs of false legs or...
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Serous membrane - Wikipedia  In anatomy, serous membrane (or serosa) is a smooth tissue membrane consisting of two ... The serous membrane covering the heart and lining the mediastinum is ... the serous membrane lining the thoracic cavity and surrounding the lungs is ... Between the parietal and visceral layers is a very thin, fluid-filled serous space,...
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Bald-faced Hornet Facts - NatureMapping  Due to their size, shape and coloration these wasps are sometimes mistaken for bees. ... large ball-shaped paper nest, which they build in the spring for raising their young. ... The queen bee, drones and worker bees all have specific tasks to help ... The bald-faced hornet builds her inner nest with layers of paper cells that...
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Arthropod cuticle - Wikipedia  The cuticle forms the major part of the integument of the Arthropoda. It includes most of the .... As its base gets dissolved away, the old cuticle begins to separate from the epidermis in a process called apolysis. ... The animal then expands its body by swallowing liquid or gas and in the process it stretches the new integument...
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membrane English definition/translation - seadict.com  a thin pliable sheet of material forming a barrier or lining. Biology a double layer of lipids and proteins forming the boundary of a cell or organelle. ... A piece of parchment. ... [Date: 1400-1500; Language: Latin; Origin: membrana 'skin', from membrum; .... Couche cytoplasmique diffrencie, gnralement semi-permable,...
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integument | biology | Britannica.com  Apr 15, 2016 ... At the same time it gives communication with the outside, enabling ... The integument is composed of layers that may be of single cell thickness, as in many invertebrates, ... maintains the shape and turgidity of the cell and affords protection. ... reproduction (in plant (biology): Variations involving seed plants)...
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By what process does a caterpillar change into a butterfly ...  How does the caterpillar become the butterfly (why does one part of the ... Insects which undergo holometabolism pass through a larval stage, then enter ... adult structures, whilst the rest of the cells go on to make the caterpillar. ... structures called "imaginal discs" ("imago" being a term for the adult stage),...
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Pupa - Wikipedia  A pupa is the life stage of some insects undergoing transformation. The pupal stage is found ... Insects emerge (eclose) from pupae by splitting the pupal case, and the ... of many butterflies, referred to by the Greek term  (chryss) for gold. ... When emerging, the butterfly uses a liquid, sometimes called cocoonase,...