Animal kingdom, worms and mollusks Flashcards

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1
Q

What domain and kingdom do animals belong to?

A

Domain Eukarya, kingdom Animalia

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2
Q

The study of the animal kingdom

A

Zoology

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3
Q

able to move around

A

motile

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4
Q

In clams these organs accomplish respiration and help with nutrition

A

gills

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5
Q

Clams have _________ organs that let them receive balance, touch and chemical cues.

A

sense

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6
Q

The type of cells that make up animals

A

eukaryotic

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7
Q

In mollusks this secretes the shell and encloses vital organs

A

mantle

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8
Q

The ___________ hump in mollusks contains the heart and digestive organs.

A

visceral

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9
Q

A hard protective covering that mollusks have.

A

shell

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10
Q

Part of earthworm that makes mucus to become the cocoon, looks like a thick band

A

clitellum

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11
Q

A type of chord that runs the length of the worm carrying messages

A

nerve

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12
Q

Muscular part of earthworm digestive system that grinds food.

A

gizzard

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13
Q

A stomach-footed mollusk

A

gastropod

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14
Q

Type of muscles in earthworm that contract to shorten the worm for movement

A

longitudinal

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15
Q

In mollusks this is a fleshy and muscular organ used in locomotion

A

foot

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16
Q

A two shelled mollusk

A

bivalve

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17
Q

The ______________ receptacle receives sperm from another earthworm through mating

A

seminal

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18
Q

In some mollusks this is used to scrape food particles and is covered in teeth

A

radula

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19
Q

Type of muscles in earthworm that contract to lengthen the worm

A

circular

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20
Q

Food storage in earthworm digestive system

A

crop

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21
Q

The type of development that animals have because they are multicellular

A

embryonic

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22
Q

Bristles the earthworm has for anchoring

A

setae

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23
Q

The middle body layer during development

A

mesoderm

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24
Q

An animal that derives its body heat from metabolism

A

endothermic

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25
Q

Phyla including Clams, Squid and Octopi

A

molluska

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26
Q

Cannot be divided into equal halves

A

asymmetrical

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27
Q

The inner most body layer during development

A

endoderm

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28
Q

Type of symmetry- an animal can be divided by a longitudinal cut to form mirror sides

A

bilateral

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29
Q

Type of symmetry that divided an animal by a cut through the center in any direction

A

radial

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30
Q

Animals that do not have a backbone

A

invertebrates

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31
Q

Phyla of segmented worms

A

annelida

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32
Q

Organisms that need to ingest food

A

heterotrophs

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33
Q

Provided by body coverings like fur, feathers and skin

A

protection

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34
Q

The outer body layer during development

A

ectoderm

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35
Q

An animal that has a body temperature that is behaviorally regulated

A

ectothermic

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36
Q

Exchanging gases with the environment

A

respiration

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37
Q

Term that refers to nematode’s ability to live in all kinds of environment

A

versatility

38
Q

Phyla of flatworms

A

plathyhelminthes

39
Q

The transport of materials throughout an animal

A

circulation

40
Q

Concentration of sensory and nerve cells at one end of the body

A

cephalization

41
Q

The ability of an animal to sense a stimuli and act on that info

A

response

42
Q

Animals that do have a backbone

A

vertebrates

43
Q

Phyla of roundworms

A

nemtoda

44
Q

Term that refers to nematode’s need to live only in certain parts of certain hosts

A

specificity

45
Q

Structures animals have for motility:

A

-Endoskeletons
-Exoskeletons
-Hydroskeletons

46
Q

The arrangement of physical features that contribute to structure and form

A

Body Plan

47
Q

What does assymetrical mean?

A

No symmetry

48
Q

Permanently fixed to an object

A

Sessile

49
Q

A structure found in many soft bodied animals, consisting of a fluid filled cavity, the coelem surrounded by muscles

A

Endoskeleton

50
Q

Flexible, lighter internal system of bones or cartilage

A

Exoskeleton

51
Q

A body covering or behavior to protect the animal from predators.

A

Hydroskeleton

52
Q

How they obtain food for nutrients and energy

A

Nutrition

53
Q

Taking in food

A

Ingestion

54
Q

Breaking down food into substances the animal can use

A

digestion

55
Q

Getting rid of wastes

A

Excretion

56
Q

Making more of an animal. Animal’s fertilized zygotes go through embryonic stages as the develop

A

Reproduction

57
Q

General characteristics of worms:

A

-Soft, long bodies
-few to no appendages
-bilateral symmetry
-cephalization

58
Q

Need to know about Planaria:

A

-Can regenerate from a tiny fragment with stem cells
-Have eyespots to sense light
-Have chemoreceptors

59
Q

Differences between parasitic flatworms and free living flatworms:
(Need protection from digestive juices of host and a way to stay attached to host)

A

-Few sense organs
-No external cilia in adults
-Thick tegumant
-Suckers or hooks for attachment to a host

60
Q

Sheep liver fluke is an example of what?

A

A parasitic flatworm

61
Q

What 2 structures do parasitic flatworms need to have?

A

-Thick tegument
-Suckers or hooks for attachment

62
Q

How do tapeworms stay stuck in a host?

A

Using suckers or hooks

63
Q

Contain both male and female reproductive organs

A

ploglottids

64
Q

Characteristics of roundworms:

A

-tiny
-inhabit almost every environment
-specificity of where they live
-versatile

65
Q

Example of a parasitic roundworm:

A

Guinea worm

66
Q

What does the name “annelida” mean?

A

little rings

67
Q

Segmentation of annelida internal, external or both?

A

both

68
Q

Where do most annelids live?

A

Salt water

69
Q

A thin membrane in annelida

A

septa

70
Q

What are 2 aspects of how earthworms accomplish movement?

A

-Setae
-2 muscle layers (Circular and Longitudal)

71
Q

What do earthworms have for support?

A

-muscular layers
-Hydrostatic skeleton

72
Q

What do earthworms have for protection?

A

Body covering- protective cuticle and mucus

73
Q

Pathway of food from mouth to anus in earthworms:
(6)

A

-pharynx- esophagus- crop- gizzard(grinds food)
- intestines(digestive enzymes)- anus

74
Q

How does respiration occur in the earthworm?

A

Gases exchange through the epidermis and get carried to the animal’s tissues by tiny blood vessels

75
Q

What kind of circulatory system do worms have?

A

closed

76
Q

Main parts of the circulatory system in the earthworm:

A

-Dorsal and Ventral blood vessels
-5 pairs of aortic arches

77
Q

What part contracts in the the earthworm’s circulatory system?

A

Dorsal blood vessel

78
Q

What does the nephridia in an earthworm do?

A

Filter wastes from the blood and expels wastes into the coelem or through pores in the worm’s skin

79
Q

What 3 main structures are used in the response of worm life processes?

A

-“brain” or ganglia
-Ventral nerve cord
-Smaller ganglia within each segment

80
Q

What does it mean that worms are hermaphroditic?

A

-2 pairs of male testes (in segments 10 & 11)
-Pair of ovaries (in segment 13)

81
Q

Difference between seminal vesicles and seminal receptacles:

A

Sperm is held in the seminal vesicle and is transferred to the seminal receptacles of the other worm

82
Q

Where does the cocoon of the worm come from?

A

The citellum

83
Q

What does the cocoon do after mating?

A

2-3 weeks later the worms emerge

84
Q

Common structures in mollusks:

A

-Foot
-Mantle
-Radula
-Visceral hump
-Shell
-Gills

85
Q

3 main types of mollusks:

A

Class:
-Bivalva
-Gastropoda
-Cephalopoda

86
Q

Example of a Bivalva mollusk

A

clams, oysters, scallops

87
Q

Example of a Gastropoda mollusk

A

snails, slugs

88
Q

Example of a Cephalopods mollusk

A

squids, octopuses, nudibranches

89
Q

Key characteristics of a Bivalva mollusk:

A

-2 shells

90
Q

Key characteristics of a gastropoda mollusk:

A

-usually have one valve (shell)
-Have a radula

91
Q

Key characteristics of a cephalopoda mollusk:

A

-special defense mechanisms ex: ink

92
Q

How Bivalve mollusks accomplish the 9 main life processes:
1. movement
2.support
3. protection
4. nutrition
5. respiration
6. circulation
7. excretion
8. response
9. reproduction

A

~Movement- burrowing
~Support- the shell
~Protection- the shell
~Nutrition- filter feed
~Respiration- gills
~Circulation- open system w/ heart and blood vessels
~Excretion- kidney
~Response- nervous system w/3 major ganglia, nerves and sense organs
~Reproduction- Sexual (includes larval stage)