Anthropoda Flashcards
What five subphyla make up the Anthropoda phylum?
Triblobita, Chelicerate, Crustacea, Myriapoda and Hexapoda
The Triblobita are also known as
the trilobites
The subphylum Chelicerata has which two classes?
Merostomata and Arachnida
Class Meristomata are also known as
horseshoe crabs
Class Arachnida are
spiders, scorpions, ticks, mites, and vinegaroons
Subphylum Crustacea are
crabs, lobsters, crayfish, shrimp, krill, barnacles, and woodlice
Which two classes make up the subphylum Myriapoda
Chilopoda and Diplopoda
Class Chilopoda are
centipedes
Class Diplopoda are
millipedes
The class that makes up subphylum Hexapoda is
Insecta
Arthropoda members have ___ germ layers
3
Pertaining to body cavities, Arthropoda members are
eucoelomates but their coelom is reduced
Anthropoda bodies are
segmented into tagmata
New characteristics of Anthropoda are
their joined appendages, specialized mouthparts, cuticle and capability of molting (ecdysis)
Anthropoda members’ exoskeleton is composed of what?
What is its purpose?
chitin and calcium salts
The purpose of the cuticle is to provide protection
The digestive tract of Anthropods is
complete
The circulatory system of Anthropods is
open
Subphylum Triplobita members have ___ tagmata
3
Subphylum Chelicerata members have ___ tagmata, which are
two
cephlothorax and abdomen
Class Arachnida members have ___ pairs of appendages which include
6
chelicerae, pedipalps and four pairs of walking legs
Chelicerae are
mouthparts used for peircing and injecting venom
Pedipalps are used for
food handling and sensory
Subphylum Crustacea members have __ tagmata like the _______
2
Chelicerata
The genus name for crayfish we examined is
Camburus
What are the paired appendages of Cambarus
1 pair of antennules
1 pair of antennae
1 pair of mandibles
2 pairs of maxillae
3 pairs of maxillipeds
5 pairs of walking legs
5 pairs of swimmerets
Antennules and Antennae are used for
taste and touch
mandibles are used for
chewing
maxillae are used for
food handling
the first pair of walking legs in Cambarus are modified into
chelipeds
Swimmerets are used for water circulation over gills
Females’ swimmerets function to
airate eggs