Animals Flashcards

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1
Q

What is an example of a Porifera?

A

Sponge

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2
Q

What is the symmetry of Porifera?

A

Assymmetrical

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3
Q

Which classification is excluded from the eumetazoan grouping?

A

Porifera

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4
Q

What are some examples of a Cnidaria?

A

Jellyfish
Anemone
Coral

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5
Q

What is the symmetry of Cnidaria?

A

Radial

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6
Q

Which one classification is diploblastic?

A

Cnidaria

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7
Q

What gut type do Cnidaria have?

A

Gastrovascular cavity

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8
Q

What is a nematocyst?

A

Stinging cell

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9
Q

Which classification have nematocysts?

A

Cnidaria

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10
Q

Platyhelminthes are also known as?

A

Flatworms

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11
Q

Which symmetry do Platyhelminthes have?

A

Bilateral

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12
Q

Which classifications do not exhibit cephilisation?

A

Porifera
Cnidaria
Echinodermata

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13
Q

Do organisms with a gastrovascular cavity have a protostome or deuterostome?

A

Neither- only one opening

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14
Q

What gut type do Platyhelminthes have?

A

Gastrovascular cavity

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15
Q

Name key features of Platyhelminthes?

A
  1. Flattened dorsoventrally

2. Free living parasites

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16
Q

Round worms are examples of which classification?

A

Nematoda

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17
Q

Nematoda’s have which form of symmetry?

A

Bilateral

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18
Q

Are Nematoda’s triplo- or diploblastic?

A

Triploblastic

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19
Q

Are Platyhelminthes triplo- or diploblastic?

A

Triploblastic

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20
Q

Nematodas have a true gut, does a deuterostome or protostome form?

A

Protostome

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21
Q

What is a protostome?

A

First forming hole, goes on to form the mouth

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22
Q

What is a deuterostome?

A

First forming hole, goes on to form the anus

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23
Q

Which classifications can be categorized as Lophotrochozoans?

A

Platyhelminthes
Annelida
Mollusca

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24
Q

Which classifications can be categorized as Ecdyzoans?

A

Nematoda

Arthopoda

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25
Q

Which classifications can be categorized as Deuterostomia?

A

Echinodermata

Chordata

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26
Q

What are some examples of Arthopoda?

A

Crustaceans
Insects
Arachnids
Millipedes, Centipedes

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27
Q

What kind of symmetry do Arthropoda’s show?

A

Bilateral

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28
Q

Are Arthropoda’s triplo- or diploblastic?

A

Triploblastic

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29
Q

What gut type do Arthropoda’s have?

A

True gut

30
Q

Arthropoda’s form as protostomes, true or false?

A

True

31
Q

What is the process of ecdysis?

A

Molting/shedding of cuticle

32
Q

Arthropoda’s don’t have an exoskeleton, true or false?

A

False

33
Q

Earthworms, leeches and marine worms are all classified as?

A

Annelida

34
Q

Annelida’s have radial symmetry, true or false?

A

False- Bilateral

35
Q

Are Annelida’s triplo- or diploblastic?

A

Triploblastic

36
Q

Annelida’s have a true gut, does it form by protostome or deuterostome?

A

Protostome

37
Q

Which classifications could be consider segmented?

A

Arthropoda

Annelida

38
Q

What are some examples of Mollusca?

A

Snails
Shellfish
Squid
Octopus

39
Q

Soft and motile best describes which classification?

A

Mollusca

40
Q

Mollusca have which kind of symmetry?

A

Bilateral

41
Q

What gut type do Mollusca form?

A

True gut

42
Q

Are Mollusca triplo- or diploblastic?

A

Triploblastic

43
Q

Mollusca form a protostome, true or false?

A

True

44
Q

Sea stars, sea cucumbers and sea urchins best fit which classification?

A

Echinodermata

45
Q

Which classification displays bilateral symmetry in its youth but develops into radial symmetry?

A

Echinodermata

46
Q

Which two classifications are form deuterostomes?

A

Echinodermata

Chordata

47
Q

Are Echinodermata triplo- or diploblastic?

A

Triploblastic

48
Q

What are some features to describe the Echinodermata classification?

A
  1. Water vascular system
  2. Exoskeleton
  3. Regenerative abilities
49
Q

What are some examples of the Chordata classification?

A
Fish
Birds
Mammals
Reptiles
Amphibians
50
Q

Are Chordata triplo- or diploblastic?

A

Triploblastic

51
Q

What are some key features of Chordata?

A
Notochord
Pharyngeal slits or pouches
Ventral heart
Post-anal tail
Single, hollow dorsal nerve cord
52
Q

What gut type do Chordata’s have?

A

True gut

53
Q

What gut type do Echinodermata’s have?

A

True gut

54
Q

What does asymmetrical mean?

A

No planes of symmetry

55
Q

Describe radial symmetry?

A

Multiple planes of symmetry. Associated with a sessile, non-active lifestyle

56
Q

Describe bilateral symmetry?

A

Single plane, sagittal symmetry. Associated with an active lifestyle and development of front or head (cephilisation)

57
Q

What is cephilisation?

A

The development of a front or head

58
Q

What is triploblastic?

A

Three true layers; endoderm, mesoderm and epiderm

59
Q

What is diploblastic?

A

Two true layers; endoderm and epiderm

60
Q

What is the inner layer called?

A

Endoderm

61
Q

Where is the epiderm located?

A

Outer layer

62
Q

What is the middle layer?

A

Mesoderm

63
Q

Characteristics of the gastrovascular cavity include:

A
  1. Single opening
  2. Used for digestion of nutrients and circulation
  3. No specialized portions
64
Q

Characteristics of the true guy include:

A
  1. Two openings
  2. Used for digestion of nutrients only
  3. Specialization (stomach and intestines)
65
Q

Mutualism is…

A

+/+

66
Q

Parasitism is…

A

+/-

67
Q

Competition is…

A

-/-

68
Q

Predation is…

A

+/-

69
Q

Ammensalism is…

A

-/o

70
Q

Commensalism is…

A

+/o

71
Q

How would you define an animal?

A

Eukaryote
Multicellular
Heterotroph
Lacks cell walls