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Biology > Chapter 27 > Flashcards

Chapter 27 Flashcards

0
Q

Fluid filled body cavity lined with mesodermal tissue

A

Coelom

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1
Q

Coelom in flatworms

A

Acoelomates

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2
Q

How does the coelom affect movement?

A

It makes it more efficient

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3
Q

Feeding structure in flatworms

A

Pharynx

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4
Q

Respiration, circulation, and excretion in flatworms

A

Diffusion

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5
Q

Flame cells in flatworms (what do they do?)

A

Remove waste

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6
Q

Muscular tube that pumps food into the digestive cavity (flatworms)

A

Pharynx

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7
Q

Groups of nerve cells that control the nervous system and respond to the environment

A

Ganglia

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8
Q

Detects light for flatworms

A

Eyespot

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9
Q

Two movement structures in flatworms

A

Muscles and cilia

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10
Q

Group of flatworms that are free swimming bottom dwellers

A

Tubellarians

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11
Q

Example of a tubellarian

A

Planarian

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12
Q

Two structures in flatworms response

A

Ganglia and eyespot

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13
Q

Group of flatworms that are parasitic

A

Flukes

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14
Q

Example of a fluke

A

Trematoda

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15
Q

Group of flatworms that are parasitic to humans and have special heads, segments, and reproductive structures

A

Tapeworm

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16
Q

Male reproductive organs in tapeworms

A

Testes

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17
Q

Head of a tapeworm that hooks to the intestines

A

Scolex

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18
Q

Segments of a flatworm

A

Proglottids

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19
Q

Unsegmented worm with tapering ends

A

Roundworm

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20
Q

Coelom in roundworms

A

Pseudocoelom

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21
Q

What makes the coelom in roundworms pseudo?

A

It is only partially lined by the mesoderm

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22
Q

Openings on a roundworms

A

Mouth and anus

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23
Q

Structures in roundworms feeding

A

Grasping mouth parts and spines

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24
Q

Respiration, circulation, and excretion in roundworms

A

Diffusion

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25
Q

Response in roundworms

A

Several ganglia

26
Q

Reproduction in roundworms

A

Male deposits sperm into female

27
Q

Disease from uncooked meat

A

Trichinosis

28
Q

Disease causing elephantiasis from mosquito bites

29
Q

Internal walls between each segment in Annelids

30
Q

Bristles attached to each segment for movement in Annelids

31
Q

Coelom in Annelids

A

Coelomates

32
Q

Stores food in Annelids

33
Q

Grinds food in Annelids

34
Q

Pathway of food in Annelids

A

Mouth -> esophagus -> crop -> gizzard -> intestines -> anus

35
Q

Circulation in Annelids

A

Closed circulatory system

36
Q

Act as a heart to contract and pump blood

A

Dorsal blood vessel

37
Q

Respiration in Annelids

A

Aquatic- gills

Land- diffuse gases through their moist skin

38
Q

Excretion in Annelids

A

Digestive waste goes out the anus

Cellular waste goes out through nephridia

39
Q

Response in Annelids

A

Ganglia and small brain that coordinates movement

40
Q

Movement in Annelids

A

Muscles (circular and longitudinal)

41
Q

Excretory organ within analids

42
Q

Specialized reproductive organs in Annelids

43
Q

Earthworm class

A

Oligochaeta

44
Q

Leeches class

45
Q

Nadine Annelids

A

Polychaeta

46
Q

Free swimming larval stage in mollusks

A

Trochophore

47
Q

Movement structure used for crawling and burrowing in mollusks

A

Muscular foot

48
Q

Thin layer of tissue that becomes covers most of the mollusk

49
Q

What is a mollusk shell made of?

A

Calcium carbonate

50
Q

Collection of internal organs in mollusks

A

Visceral mass

51
Q

Tiny teeth that scrape algae of rocks and drill through shells used for feeding in mollusks

52
Q

Tube like structures which water enters and leaves the body in mollusks

53
Q

Respiration in mollusks

A

Aquatic- gills

Land- mantle cavity

54
Q

Circulation in mollusks

A

Open circulatory system

55
Q

Octopi and squid circulation

A

Closed circulatory system

56
Q

Excretion in mollusks

57
Q

Response in mollusks

A

Simple nervous system

58
Q

Movement in mollusks

A

Jet propulsion by secreting mucus using siphons

59
Q

Reproduction in mollusks

A

External fertilization

60
Q

Snail class

A

Gastropoda

61
Q

Clams, mussels, and oysters class

62
Q

Head region with single foot class

A

Cepholapoda

Biology (9 decks)

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