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Jointed appendages

Biology  Joint  Karyokinesis

Jointed appendages
(Date:3/28/2011)... have completed the first human randomized controlled trial ... uses a catheter-based probe inserted into the renal ... nerves near the kidneys (or in the renal ... The researchers say these results confirm that RDN ...

Presence of jointed appendages. Trilobites, which flourished during Cambrian Period and were important animals in marine ecosystems for the remainder of the Paleozoic Era, had a pair of appendages on each body segment.

3 sections - head, thorax and abdomen. Exoskeleton. Paired, jointed appendages (may be legs, antennae, wings).
Obvious head. Hair / feathers / scales on body surface. Paired limbs formed from more than one body segment. Post anal tail. Notochord present at some stage.
Gut: ...

Concept 33.7 Arthropods are segmented coelomates that have an exoskeleton and jointed appendages
The world arthropod population has been estimated at a billion billion (1018) individuals.
Nearly a million arthropod species have been described.

phylum of invertebrate animals with jointed appendages or feet


arthropods (phylum Arthropoda)Invertebrates that have ~ and a chitinous, segmented exoskeleton.
articular articularis = a joint.
articulate articulatus = jointed.

arthropod /ARTH-roh-pawd/ An organism belonging to Phylum Arthropoda, which includes all insects, spiders, and crustaceans. An arthropod has ~ and its body is completely covered with an exoskeleton known as a cuticle.
articulate /are-TICK-yÉ™-late/ v. To form a joint.

Insects are a class of arthropods. Like other arthropods, they have exoskeletons made from the carbohydrate chitin, segmented bodies, and ~.
Invasive Species - Biology Encyclopedia ...

an exoskeleton which is impervious to water and thus prevents loss of water from the body;
a system of tracheal tubes which penetrates every portion of the body, taking oxygen to, and carbon dioxide from, every cell;
paired, ~ ...

See also: See also: What is the meaning of Joint, Human, Species, Organ, Animal?

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