Worms. Thats Right. Stupid Fucking Worms Flashcards

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1
Q

Worms that don’t have have a coelom and are there for called acoelomates

A

Flatworms

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2
Q

A thickened band of segments towards the anterior end of an earthworm which secretes a mucus cocoon into which sperm and eggs are released

A

Clitellum

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3
Q

The worm that grows in the appendages of its host and must be removed slowly by wrapping it around a stick

A

Guinea worm

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4
Q

Internal walls between each segment in an earthworm

A

Septa

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5
Q

Phylum of unsegmented round worms

A

Nematoda

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6
Q

Blood-sucking organisms which are part of phylum Annelids

A

Leeches

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7
Q

A body cavity which forms in more advanced animals

A

Coelom

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8
Q

This muscular structure in the gut of the earthworm grinds food into smaller pieces

A

Gizzard

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9
Q

Worms which cause the condition elephantiasis

A

Filarial

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10
Q

The phylum which includes worms which are flat

A

Platyhelminthes

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11
Q

Specialized excretory organs in segmented roundworms which filter fluid in the coelom

A

Nephridia

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12
Q

Small parasitic flatworms which live in the tissues of their hosts- like the liver or the blood

A

Flukes

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13
Q

The free living flatworm which we observed in a lab

A

Planaria

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14
Q

This coating on the outside of a tapeworm stops it from being digested by its host

A

Cuticle

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15
Q

Bristly, hairlike structures found on each segment of an earthworm which aid in movement

A

Setae

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16
Q

Most of a tapeworms body is made up of these types of organs

A

Reproductive organs

17
Q

Structures which helps a tapeworm hang on in the intestinal tract of its host

A

Hooks

18
Q

These parasitic roundworms live and mate in the intestines of their host- their larvae then burrow into the tissues and organs of the host to form cysts

A

Trichinella

19
Q

Tapeworms don’t need this type of system

A

Digestive system

20
Q

An organism which possesses both male and female reproductive organs

A

Hermaphrodite

21
Q

A parasitic flatworm which lives in the intestinal tract

A

Tapeworm

22
Q

Instead of a brain some flatworms may have these less complicated collections of nerve cells

A

Ganglia

23
Q

This phylum contains segmented roundworms

A

Annelida

24
Q

Repeating reproductive segments which make up most of a tapeworms body

A

Proglottids

25
Q

Other structures which helps a tapeworm hang on in the intestine

A

Suckers

26
Q

______________ roundworms have a pseudocoelom because that body cavity is only partially lined with mesodermal tissue

A

Unsegmented

27
Q

A muscular tube which extends out of planaria worms for feeding

A

Pharynx

28
Q

The head region of a tapeworm

A

Scolex

29
Q

This structure is used to store food before it goes into the gizzard of the gut of an earthworm

A

Crop

30
Q

Some flatworms have _____ cells which aid in excretion by removing excess water from the body

A

Flame cells

31
Q

Annelids typically have a _______ circulatory system

A

Closed

32
Q

A parasitic nematode which absorbs nutrients from the gut and in large numbers can partially or completely block the passage of food through the intestinal tract

A

Ascaris

33
Q

Flatworms don’t have this which allows for unidirectional digestion which is more effective

A

An anus

34
Q

Worms have what kind of symmetry

A

Bilateral symmetry

35
Q

The flatworms

A

Platyhelminthes

36
Q

The unsegmented roundworms

A

Nematoda

37
Q

The segmented roundworms

A

Annelida