in arthropods, posterior body region of an arthropod that contains fused segments, digestive structures, reproductive organs, and bears additional legs: in humans, part of body that is between the diagphragm and pelvis

in arthropods, a structure such as leg or an antenna that grows and extends from the outside body covering.

in spiders and some other arthropods, the respiratory structure with highly folded walls whose membranes look like book pages

in arthropods, the structure formed from the thorax region fused with the head

in most arthropods, the waste-excreting structure that also helps maintain homeostatic water balance

in most arthropods, one of a pair of mouthparts adapted for biting and chewing food.

in arthropods, the periodic shedding of the protective exoskeleton so their bodies can continue to grow

chemical secreted by an animal species to influence the behavior of other members of the same species

opening in the arthropod body through which air enters and waste gases leave

in most terrestrial arthropods, one of a system of tubes that branch into smaller tubules and carry oxygen throughout the body.

one of a pair of arachnid appendages modified to function as fangs or pincers

in most crustaceans, the first pair of legs, which has large claws to trap and crush food.

one of a pair of arachnid appendages used to study inheritance patterns of a trait through several generations and that can be used to predict disorders in future offspring.

in spiders, the structure that spins silk from a fluid protein secreted by their glands

crustacean appendage used as a flipper during swimming

specialized group of individuals in an insect society that perform specific tasks

in most insects, the series of changes from a larval form to an adult form

immature form of an insect during incomplete metamorphosis-the hatchling looks like a small adult insect and goes through several molts, eventually becoming a mature winged adult

nonfeeding stage of complete metamorphosis in which the inset changes from the larval forms to the adult form

middle body region of an arthropod consisting of three fused main segments that may bear legs and wings

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Ch. 26 Vocabulary

Term	Definition
abdomen	in arthropods, posterior body region of an arthropod that contains fused segments, digestive structures, reproductive organs, and bears additional legs: in humans, part of body that is between the diagphragm and pelvis
appendage	in arthropods, a structure such as leg or an antenna that grows and extends from the outside body covering.
book lung	in spiders and some other arthropods, the respiratory structure with highly folded walls whose membranes look like book pages
cephalothorax	in arthropods, the structure formed from the thorax region fused with the head
Malpighaian tubule	in most arthropods, the waste-excreting structure that also helps maintain homeostatic water balance
mandible	in most arthropods, one of a pair of mouthparts adapted for biting and chewing food.
molting	in arthropods, the periodic shedding of the protective exoskeleton so their bodies can continue to grow
pheromone	chemical secreted by an animal species to influence the behavior of other members of the same species
spiracle	opening in the arthropod body through which air enters and waste gases leave
tracheal tube	in most terrestrial arthropods, one of a system of tubes that branch into smaller tubules and carry oxygen throughout the body.
chelicera	one of a pair of arachnid appendages modified to function as fangs or pincers
cheliped	in most crustaceans, the first pair of legs, which has large claws to trap and crush food.
pedipalp	one of a pair of arachnid appendages used to study inheritance patterns of a trait through several generations and that can be used to predict disorders in future offspring.
spinneret	in spiders, the structure that spins silk from a fluid protein secreted by their glands
swimmeret	crustacean appendage used as a flipper during swimming
caste	specialized group of individuals in an insect society that perform specific tasks
metamorphosis	in most insects, the series of changes from a larval form to an adult form
nymph	immature form of an insect during incomplete metamorphosis-the hatchling looks like a small adult insect and goes through several molts, eventually becoming a mature winged adult
pupa	nonfeeding stage of complete metamorphosis in which the inset changes from the larval forms to the adult form
thorax	middle body region of an arthropod consisting of three fused main segments that may bear legs and wings

Created by: hannahworrell

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