Zoology Exam 4 Study (1)
The class Anthropoda is also as known what?
What clade is the Phylum Anthropoda a part of?
Which Phylum Undergoes Ecdysis?
What is a defining feature of the Clade Ecdysozoa?
They are "molting animals", Meaning they shed their exoskeleton.
How many known species of Anthropoda are there?
over 1 million known species
Jointed Appendages are a feature of which phylum?
Describe the Appendages of Anthropods.
They have jointed appendages.
Describe the body (Not Coelom) of Anthropods.
They have a segmented body (Metamerism) with a pair of legs
Each segments in an Anthropod has a pair of what?
A specialized grouping of multiple segments or metameres into a coherently functional morphological unit.
What happens to the exoskeleton of Anthropods?
They undergo ecdysis
Describe the body plan (Coelom) of Anthropods.
- They are Eucoelomate
- Their coelom becomes reduced to the hemocoel.
The coelom of Anthropods are reduced to what?
A 'blood space' called the hemocoel.
What kind of circulatory system do Anthropods have?
Open Circulatory system
What kind of skeleton do Anthropods have?
An Exoskeleton (Cuticle)
What are 3 characteristics of the exoskeleton of the Anthropoda?
- Lighweight Protection
- H20 resistant
What are the 2 major layers of the (Exoskeleton) cuticle in Anthropods?
What are the three characteristics of the Epicuticle in Anthropods?
- composed of Protein
- composed of Lipid
What are the three characteristics of the procuticle in Anthropods?
- Composed of chitin
- Composed of Protein
- Sometimes contains calcium salts
Name the 5 subphyla of the Phylum Anthropoda.
- Trilobita (extinct)
What 2 characteristics are Anthropod relationships based on?
In the phylum Anthropoda,'Urinamous' is characteristic of what?
An 'unbranched' myriapod and Haxapod
A Uniramous Appendage means what?
An Unbranched Appendage
Which Subphyla of the Phylum Anthropoda are Uniramous?
In the phylum Anthropoda, 'Biramous' is characteristic of what?
A 'Branched' Crustacea
A Biramous Appendage means what?
A Branched Appendage
In the phylum Anthropoda, 'Chelicerae' is characteristic what?
A 'Grasp' or 'Pinch', Often 'Fangs' in Chericerates.
In the phylum Anthropoda, Mandibles are what?
- Used to Chew or Grind
In the phylum Anthropoda, Mandibles are a characteristic of which subphyla?
The subphylum Trilobita has been extinct for how many years?
Describe the lobes of the Phylum Trilobita.
It has 3 longitudinal lobe.
How many tagmata does the subphylum trilobita have?
What are the components of the 3 tagmata in the subphylum Trilobita?
Describe the body of the Subphylum Trilobita.
- They have 3 longitudinal lobes
- They have 3 Tagmata
What is the first pair of Appendages in the Subphylum Chelicerata.
Their first pair of Appendages are Chelicerae (not mandibles).
How many pairs of walking legs do Chelicerates have?
How many Antennae do the Chelicerates have?
They have none.
How many Tagmata do Chelicerates have?
What are the 2 Tagmata of Chelicerates?
Describe the Appendages of the subphylum Chelicerate.
- Their 1st pair of Appendages are Chelicerae.
- They have 4 pairs of walking legs
- They have no Antennae
- They have 2 tagmata. (Cephalothorax, Abdomen(or carapace)
What classes are within the class Chelicerata?
- Class Merostoma
What is an example of an Animal within the class Merostomata?
What are examples of Animals in the class Arachnida?
What do Chelicerates use for Excretion?
- Malpighian tubules
- Some use coxal glands (modified nephridia)
Mappighian tubules are used for what in chelicerates?
What do Chelicerates use for respiration?
- Book Lungs
What two functions is the Pedipalp of the Chelicerata used for?
What is used for sensory and reproduction in Chelicerates?
How many eyes do the Chlicerates have?
What are the setae in Chelicerates used for?
In Chelicerates, a gland that secretes the substance that hardens as threads of silk or web.
How many Tagmata does the subhylum myriapoda have?
What does the 2 Tagmata of the subphylum myriapoda consist of?
Which 2 subphyla of the phylum Anthropoda have a tagmata that consists of a Head and a Trunk?
Myriapoda and Trilobita
How many Antennae do Myriapods have?
They have 1 pair of Antennae
What is the name of the mouthpart of the Subphylum Myriapoda?
What Type of Appendages do Myriapods have?
Uniramous paired Appendages on most of their trunk segments
How do Myriapods Respire?
Via Body surface or Tracheae
What are the two classes of the subphylum Myriapoda?
Which Animals are in Class Chilopoda?
Describe the Appendages of the class Chilopoda.
- They have 1 pair of Appedages
- They have a Venom Claw
Describe the appendages of the class Diplopoda.
- They have 2 pairs of Appendages
- They have repugnatorial glands
Which class in the Subphylum Myriapoda is characterized by having a venom claw
Which class is in the Subphylum Myriapoda is characterized by having Repugnatorial glands?
How many Antennae do the subphylum Crustacea have?
They have 2 pairs of Antennae
Describe the mouth piece of the subphylum Crustacea.
- They a have pair of mandibles
- they have 2 pairs of Maxillae
How many Mandibles do Crustaceans have?
How many Maxillae do Crustaceans have?
Describe the Appendages of the the Subphylum Crustacea.
- The have two pairs of Antennae
- 1 pair of Mandibles
- 2 pairs of Maxillae
- Biramous Appendages.
- 3 tagmata
Does the Subphylum Crustacea have Biramous or Uniramous Appendages.
They have Biramous Appendages
How many Tagmata do Crustaceans have?
Name the 3 Tagmata of Custaceans.
The fused head and thorax of a Crustacean is called what?
What is the Respiratory organ of a Crustacean?
Which Subphyla of Anthropoda have 3 tagmata?
Which subphyla have a cephalothorax?
Which subphyla have 2 tagmata?
Which Subphyla have a head, thorax, and abdomen.