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Arthropoda
describes subphyla classes and common structures of phylum arthropoda
9
Biology
12th Grade
01/21/2017

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Term

 





Cheliceriformes

Definition



subphylum of Arthropoda including classes Chelicerata and Pycnogida

Term




Uniramia

Definition



subphylum of Arthropoda including classes Insecta and Myriapoda

Term




Crustacea

Definition


subphylum of Arthropoda including classes Branchiopoda (brine shrimp), Maxillopoda (barnacles and copepods), Ostracoda and Malacostraca (crayfish, krill, prawns, crabs)

-sexual internal fertilization -planktonic larvae

-50k+ species -mostly marine, use gills

-well-developed vision and nervous system

-complex social behaviors

Term




Chelicerata

Definition


class of subphylum Cheliceriformes including subclasses Arachnida and Merostomata

Term

 




Arachnida

Definition

 


subclass of Chelicerata including spiders, mites, ticks and scorpions, characterized by four pairs of legs, mostly carnivorous diet and a MO involving sting prey to induce paralysis, injecting with digestive fluids and ingesting liquid food of predigested animal/blood

Term




Merostomata

Definition



subclass of Chelicerata characterized by the ancient horseshoe crab, found on the sandy, shallow Atlantic coasts off of the Eastern United States and SE Asia

Term




Pycnogida

Definition


class of subphylum Cheliceriformes including sea spiders, which live on soft-bodied inverts such as sponges, jellies and anemones

Term




Insecta

Definition


extremely diverse class of subphylum Urinamia including almost 1 million known species, characterized by three pairs of legs and two pairs of wings, they are relatively rare in marine systems

Term




Myriapoda

Definition



class of subphylum Urinamia including centipedes and millipedes

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