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Wildlife Biology > Invertebrates #2 > Flashcards

Invertebrates #2 Flashcards

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1
Q

What are the major characteristics of Phylum Anthropoda?

A
  • Bilateral symmetry
  • Segmented body and legs
  • Chitinous exoskeleton
  • must molt to grow
    • largest phylum w/ 80% of all animals
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2
Q

What subphylum is in Phylum Anthropoda?

A

Subphylum Crustacea

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3
Q

What is the exoskeleton made of of Phylum Anthropoda?

A

bodies and legs have distinct segmentation and are covered with a chitinous exoskeleton.

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4
Q

In Phylum Anthropoda what is molting?

A

Exoskeleton must molt in order to grow, in a process involving a series of hormones

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5
Q

What are the characteristics of crustaceans?

A

•Primarily marine with a few freshwater and
terrestrial forms
• All crustaceans respire with gills

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6
Q

What do crustaceans respire with?

A

Gills

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7
Q

What are four major categories of crustaceans?

A

decapods, isopods, amphipods, and barnacles.

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8
Q

What animals are in decapods?

A

crabs, shrimp, crayfish, and lobsters.

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9
Q

What characteristics do decapods have?

A
  • Five pairs of legs
  • body is divided into a cephalothorax and abdomen
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10
Q

how many pairs of legs does a decapod have?

A

5

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11
Q

What’s the difference between a cray fish and spiny lobster?

A

A cray fish is smaller with big pinchers. A spiny lobster is bigger with no pinchers

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12
Q

What is the external difference between a male and female crab?

A
  • female crabs abdomen is wider
  • male crabs abdomen is narrow
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13
Q

What is the carapace?

A

the upper part of the exoskeleton/shell that covers the cephalothorax

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14
Q

What type of shape do shore crabs have?

A

They have a distinct “square” shaped carapace

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15
Q

Shore crabs are seen scavenging where?

A

Rocky shorelines

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16
Q

What are the characteristics of a kelp crab?

A

are the color of kelp, and have a carapace that is in the shape of a “shield”

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17
Q

What type of carapace do sand crabs have?

A

streamlined carapace

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18
Q

Where do hermit crabs live?

A

live in empty gastropod shells for extra protection

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19
Q

What are the characteristics of an isopod?

A
  • Dorso-ventrally flattened
  • lack carapace.
  • Has many similar legs.
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20
Q

What type of animals are isopods?

A

wood lice, sow bugs, pill bugs

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21
Q

How do isopods respire?

A

respires with gills that need to stay moist

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22
Q

Where are isopods found?

A

in cool, moist, plant material.

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23
Q

How many pairs of legs does a pill bug have?

A

seven

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24
Q

Is the pill bug wider than it is taller? or taller than it is wider?

A

wider than it is taller

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25
Q

What are the characteristics of an amphipod?

A
  • Laterally flattened
  • lacks carapace.
  • Has many specialized legs.
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26
Q

What animals are amphipods?

A

beach hoppers, beach fleas

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27
Q

What are the characteristics of barnacles?

A

Sessile marine crustaceans that live in in a permanent home

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28
Q

What animals are barnacles?

A

Acorn barnacles and goose barnacles

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29
Q

Where do barnacles grow?

A

to rocks, pier pilings, and other hard surfaces along the shoreline.

30
Q

How do acorn barnacles feed?

A

They filter feed when covered with water at high tide

31
Q

What happens to Acorn Barnacles when exposed to low tide?

A

withdraw into their protective home

32
Q

How do goose barnacles live?

A

in a home of overlapping plates that are on top of a rubbery stalk.

33
Q

What is the external anatomy of the Class Arachnid?

A
  • Eight legs
    Eight eyes (usually)
    No antennae
    2 major body parts
34
Q

What are the 2 body parts of Class Arachnid called?

A

cephalothorax and abdomen

35
Q

What animals are in the Class Arachnid?

A

spiders, tics, mites, scorpions.

36
Q

How do Arachnids respire?

A

with spiracles that lead to trachea and/or book lungs

37
Q

In an arachnid what is the function of the pedipalps?

A

Serve as sensory structures

38
Q

In an Arachnid what is the function of the chelicerae?

A

to catch pray

39
Q

What are the function of the eyes in an arachnid?

A

identification

40
Q

In arachnid was is the function of the fangs?

A

to inject venom into it’s prey

41
Q

In an Arachnid what is the function of spinnerets?

A

To produce silk

42
Q

In an arachnid what is the function of the spiracle?

A

To allow oxygen to enter the trachea

42
Q

In an arachnid what is the function of the spiracle?

A

To allow oxygen to enter the trachea

43
Q

In an arachnid what is the function of the book lungs?

A

Where gas exchange takes place

44
Q

What is #1?

A

cephalothorax

45
Q

What is #2?

A

abdomen

46
Q

What is #3?

A

spinnerets

47
Q

What is #4?

A

book lungs

48
Q

What is #5?

A

spiracles that lead to trachea

49
Q

What is #6?

A

eyes

50
Q

What is #7?

A

pedipalps

51
Q

What is #1?

A

fangs

52
Q

What is #2?

A

chelicerae

53
Q

What is #3?

A

spider head

54
Q

Why are arachnids important?

A

Important carnivores in terrestrial ecosystems

55
Q

Where do black widows live?

A

live in cool, dark, undisturbed places like junk piles, storage sheds, etc.

56
Q

What are the characteristics of the class insecta?

A

Six legs
• One pair of antennae
• 3 major body parts
• Respire with spiracles

57
Q

What animal diagram is this?

A

Insecta diagram

58
Q

What is #1

A

head

59
Q

What is #2?

A

thorax

60
Q

What is #3?

A

abdomen

61
Q

How many classes are in Phylum Anthropoda?

A

4

62
Q

What classes are in Phylum Arthropoda?

A

Class Arachnid, Class Insecta, Class Chilopoda, and Class Diplopoda

63
Q

Characteristics of Class Chilopoda

A
  • Centipedes
  • Flattened bodies
  • 1-pair of legs per segment
  • Carnivore with poison claws
  • 1-pair of antennae
  • Spiracles
64
Q

Characteristics of Class Diplopoda

A
  • Millipedes
  • Rounded body
  • Two pairs of legs per segment
  • No claws
  • One pair of antennae
  • Spiracles
65
Q

What animal is in Class Chilopoda vs Diplopoda?

A

Centipedes Chilopoda Vs millipede Diplopoda

66
Q

What type of bodies do Chilopoda have vs Diplopoda?

A

Chilopoda are flat, diplopoda are round

67
Q

How many pair of legs does a chiplopoda vs a diplopoda have?

A

Chiplopoda has 1 pair, diplopoda has 2 pair

68
Q

How many claws do Chiplopoda have vs Diplopoda?

A

Chiplopoda have 1 venomous one, Diplopoda have none

69
Q

How many pairs of antennae do Chiplopoda have vs Diplopoda?

A

both have 1 pair

70
Q

Do Chiplopoda vs Diplopoda have spiracles?

A

yes both

Wildlife Biology (31 decks)

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