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Larva


larva
active, immature stage of development; contrast with pupa
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Larva
A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians).
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larva pl. larvae
(lar-vuh) [L. ghost]
A free-living, sexually immature form in some animal life cycles that may differ from the adult in morphology, nutrition, and habitat.
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larva A stage in the development of many insects and other organisms including sea urchins and sponges. In sponges, sexual reproduction results in the production of motile ciliated larvae.
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Larvacea. A group of planktonic tunicates that secrete a gelatinous house, used to strain unsuitable particles (large particles are rejected).
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larva -- Among invertebrates, an immature stage in the life cycle which usually is much smaller than, and morphologically different from, the adult. In insects with metamorphosis, the larva must become a pupa before reaching adulthood.
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Larvacea The class of urochordates whose members are planktonic and whose adults retain a tail and notochord. With a gelatinous covering of the body.
larvaceans Tunicates that retain the body of a tadpole larva throughout life.
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Larva, Larvae (pl.): The immature stage between the egg and pupa of insects having complete metamorphosis where the immature differs radically from the adult (e.g., caterpillars, grubs).
Leafy greens: Lettuces and other leaf vegetables.
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larva - immature (non-reproductive) post-embryonic form of many animals, which hatches from an egg and may look significantly different than the adult (reproductive) form.
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The larvae are tended and fed by workers for 6 days — first with a protein-rich secretion called brood food, then with honey and a pollen/honey mixture called bee bread.
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Ladybird larva eating wooly apple aphids
Contrary to conventional belief, predation is not typically an indiscriminate urge to kill other living beings.
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When Nts2 larvae are shifted to nonpermissive temperature at the beginning of L3 Col and Ptc expression is not repressed in cells corresponding to the prospective wing margin (Figs 6A & 6B), ...
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bipinnaria larva In the class Asteroidea, the free-swimming, ciliated stage of larval development.
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instar. The larval or nymph stage of an immature insect between successive molts.
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Geneticists working on Drosophila melanogaster carried out genetic screens to find all the genes that played a role in setting up the early embryonic pattern of the larvae.
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Newly hatched larvae drift northwards with the coastal current while feeding on larval copepods. In the summer, they have reached the Barents Sea, where they stay for the rest of their life except for their spawning migrations towards Lofoten.
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Developmental stages in the larva are associated with the appearance of chromosomal puffs. These are where DNA is unwound and actively being transcribed.
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complete metamorphosis
The change in an organism from larval to adult from where the larval stages look entirely different from the adult stage.
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[Gr. pro- - a prefix meaning before, in front of; Gr. nephros - the kidneys]. The initial excretory organ found in developing vertebrate embryos. It is functional in larval amphibians and fish. It is later replaced by the mesonephric kidney.
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One is the midgut of gypsy moth larvae, which contain bacteria of 10 phylotypes, six of which are culturable.
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