Zoology Exam 4 Study (1)

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Phylum Anthropoda
updated 6 years ago by Adunola_Bello
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1

The class Anthropoda is also as known what?

Joint foot

2

What clade is the Phylum Anthropoda a part of?

Ecdysozoa

3

Which Phylum Undergoes Ecdysis?

Anthropods

4

What is a defining feature of the Clade Ecdysozoa?

They are "molting animals", Meaning they shed their exoskeleton.

5

How many known species of Anthropoda are there?

over 1 million known species

6

Jointed Appendages are a feature of which phylum?

Anthropoda

7

Describe the Appendages of Anthropods.

They have jointed appendages.

8

Describe the body (Not Coelom) of Anthropods.

They have a segmented body (Metamerism) with a pair of legs

9

Each segments in an Anthropod has a pair of what?

legs

10

A specialized grouping of multiple segments or metameres into a coherently functional morphological unit.

Tagmata

11

What happens to the exoskeleton of Anthropods?

They undergo ecdysis

12

Describe the body plan (Coelom) of Anthropods.

  • They are Eucoelomate
  • Their coelom becomes reduced to the hemocoel.
13

The coelom of Anthropods are reduced to what?

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A 'blood space' called the hemocoel.

14
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What kind of circulatory system do Anthropods have?

Open Circulatory system

15

What kind of skeleton do Anthropods have?

An Exoskeleton (Cuticle)

16

What are 3 characteristics of the exoskeleton of the Anthropoda?

  1. Flexibe
  2. Lighweight Protection
  3. H20 resistant
17

What are the 2 major layers of the (Exoskeleton) cuticle in Anthropods?

  1. Epicuticle
  2. Procuticle
18

What are the three characteristics of the Epicuticle in Anthropods?

  1. Thin
  2. composed of Protein
  3. composed of Lipid
19

What are the three characteristics of the procuticle in Anthropods?

  1. Composed of chitin
  2. Composed of Protein
  3. Sometimes contains calcium salts
20

Name the 5 subphyla of the Phylum Anthropoda.

  1. Trilobita (extinct)
  2. Myriapoda
  3. Chelicerata
  4. Crustacea
  5. Hexapoda
21

What 2 characteristics are Anthropod relationships based on?

1. Appendages

2. Mouth

22

In the phylum Anthropoda,'Urinamous' is characteristic of what?

An 'unbranched' myriapod and Haxapod

23

A Uniramous Appendage means what?

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An Unbranched Appendage

24

Which Subphyla of the Phylum Anthropoda are Uniramous?

  • Myriapod
  • Hexapod
25

In the phylum Anthropoda, 'Biramous' is characteristic of what?

A 'Branched' Crustacea

26

A Biramous Appendage means what?

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A Branched Appendage

27

In the phylum Anthropoda, 'Chelicerae' is characteristic what?

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A 'Grasp' or 'Pinch', Often 'Fangs' in Chericerates.

28

In the phylum Anthropoda, Mandibles are what?

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  • 'Jointed'
  • Used to Chew or Grind
29

In the phylum Anthropoda, Mandibles are a characteristic of which subphyla?

  1. Myriapoda
  2. Hexapoda
  3. Crustacea
30

The subphylum Trilobita has been extinct for how many years?

250 million

31

Describe the lobes of the Phylum Trilobita.

It has 3 longitudinal lobe.

32

How many tagmata does the subphylum trilobita have?

3

33

What are the components of the 3 tagmata in the subphylum Trilobita?

  1. Head
  2. Trunk
  3. Pygidium
34

Describe the body of the Subphylum Trilobita.

  1. They have 3 longitudinal lobes
  2. They have 3 Tagmata
35

What is the first pair of Appendages in the Subphylum Chelicerata.

Their first pair of Appendages are Chelicerae (not mandibles).

36

How many pairs of walking legs do Chelicerates have?

4 pairs.

37

How many Antennae do the Chelicerates have?

They have none.

38

How many Tagmata do Chelicerates have?

2

39

What are the 2 Tagmata of Chelicerates?

  1. Cephalothorax
  2. Abdomen
40

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)
41

What classes are within the class Chelicerata?

  • Class Merostoma
  • Arachnida
42

What is an example of an Animal within the class Merostomata?

Horseshoe crab

43

What are examples of Animals in the class Arachnida?

  1. Spiders
  2. Ticks
  3. Mites
  4. Scorpions
44

What do Chelicerates use for Excretion?

  • Malpighian tubules
  • Some use coxal glands (modified nephridia)
45

Mappighian tubules are used for what in chelicerates?

Excretion

46

What do Chelicerates use for respiration?

  • Tracheae
  • Book Lungs
47

What two functions is the Pedipalp of the Chelicerata used for?

  1. Sensory
  2. Reproduction
48

What is used for sensory and reproduction in Chelicerates?

Pedipalp

49

How many eyes do the Chlicerates have?

8

50

What are the setae in Chelicerates used for?

  • Sensory
51

In Chelicerates, a gland that secretes the substance that hardens as threads of silk or web.

Silk Glands

52

How many Tagmata does the subhylum myriapoda have?

2

53

What does the 2 Tagmata of the subphylum myriapoda consist of?

  1. Head
  2. Trunk
54

Which 2 subphyla of the phylum Anthropoda have a tagmata that consists of a Head and a Trunk?

Myriapoda and Trilobita

55

How many Antennae do Myriapods have?

They have 1 pair of Antennae

56

What is the name of the mouthpart of the Subphylum Myriapoda?

A Mandible

57

What Type of Appendages do Myriapods have?

Uniramous paired Appendages on most of their trunk segments

58

How do Myriapods Respire?

Via Body surface or Tracheae

59

What are the two classes of the subphylum Myriapoda?

  1. Chilopoda
  2. Diplopoda
60

Which Animals are in Class Chilopoda?

Centipedes

61

Describe the Appendages of the class Chilopoda.

  • They have 1 pair of Appedages
  • They have a Venom Claw
62

Describe the appendages of the class Diplopoda.

  • They have 2 pairs of Appendages
  • They have repugnatorial glands
63

Which class in the Subphylum Myriapoda is characterized by having a venom claw

Class Chilopoda

64

Which class is in the Subphylum Myriapoda is characterized by having Repugnatorial glands?

Class Diplopoda

65

How many Antennae do the subphylum Crustacea have?

They have 2 pairs of Antennae

66

Describe the mouth piece of the subphylum Crustacea.

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  • They a have pair of mandibles
  • they have 2 pairs of Maxillae
67

How many Mandibles do Crustaceans have?

1 pair

68

How many Maxillae do Crustaceans have?

2 pairs

69

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
70

Does the Subphylum Crustacea have Biramous or Uniramous Appendages.

They have Biramous Appendages

71

How many Tagmata do Crustaceans have?

3

72

Name the 3 Tagmata of Custaceans.

  1. Head
  2. Thorax
  3. Abdomen
73

The fused head and thorax of a Crustacean is called what?

Cephalothorax

74

What is the Respiratory organ of a Crustacean?

Gill

75

Which Subphyla of Anthropoda have 3 tagmata?

  • Trilobita
  • Crustacea
  • Hexapoda
76

Which subphyla have a cephalothorax?

  • Crustacea
  • Chelicerata
77

Which subphyla have 2 tagmata?

  • Myriapoda
  • Chelicerata
78

Which Subphyla have a head, thorax, and abdomen.

  • Crustacea
  • Hexapoda