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Biology Lab > Third Exam > Flashcards

Third Exam Flashcards

0
Q

What are the functions of the cuticle of Phylum Nematoda?

A

mechanical protection, digestion resistance, attachment

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1
Q

What do you call the outer covering of nematodes?

A

Cuticle

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2
Q

Feeding of Nematodes

A

Complete digestive system from mouth to anus

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3
Q

Nervous system of nematodes

A

Nerves extend throughout the body; plays a role in molting, cuticle formation, and growth

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4
Q

Reproduction of nematodes

A

Sexual dimorphism; dioecious

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5
Q

What is the reproductive organ of male nematodes?

A

Bursa

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6
Q

What is the reproductive organ of female nematodes?

A

Genital pore

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7
Q

What do you call the type of nematodes that can cause organ damage?

A

Ascariasis lumbricoides

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8
Q

What illness is caused by pinworms and is autoinfectious?

A

Enterobiasis

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9
Q

What do you call the illness caused by hookworms that can cause weight loss, hemoglobin deficiency, and mental retardation?

A

Necatoriasis

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10
Q

What do you call the type of nematode that causes trichinosis which leads to edema, and in severe cases can cause nervous system damage and death?

A

Porkworm

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11
Q

It is also known as an eye worm and is transmitted by flies.

A

Filarial worms

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12
Q

It causes a condition called lymphatic filariasis, eventually leading to elephantiasis.

A

Filarial worms

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13
Q

Part of the mantle in molluscans that contains proteins

A

Periostracum

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14
Q

Part of the mantle in molluscans that contains calcium carbonate with organic material

A

Prismatic; Nacreous

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15
Q

What do you call the feeding structure of molluscans?

A

Radula

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16
Q

The radula is supported by the…

A

odontophore

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17
Q

Class Gastropoda

A
  • Largest molluscan class
  • Marine, freshwater, territorial

Ex.: snails and slugs

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18
Q

What is the purpose of torsion?

A

Defense
Water cleanliness
Sensory

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19
Q

What is excreted by marine gastropods?

A

Ammonia

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21
Q

What is excreted by terrestrial gastropods?

A

Uric acid

22
Q

What are used by gastropods for balance?

A

Statocysts

23
Q

Reproduction of gastropods

A
  • dioecious and monoecious
  • love darts
  • trochopore larva, velieger larva (for marine)
24
Q

What do you call the class of clams, oysters, scallops, and mussels?

A

Class Bivalvia

25
Q

It is the oldest part of the bivalve shell

A

umbo

26
Q

Gas Exchange (Bivalvia)

A
  • gills are used for gas exchange, attached to the foot and the mantle
  • mantle is ciliated to move water inwards
27
Q

Nutrition (Bivalvia)

A
  • filter feeding

- food is moved by the cilia and moved towards the mouth

28
Q

What do you call the muscles present in the bivalve shell at the dorsal end?

A

Adductor muscles

29
Q

What sensory organs line the mantle?

A
  • osphradium
  • photoreceptors
  • statocysts
30
Q

Reproduction (Bivalvia)

A
  • dioecious
  • protandric
  • monoecious
31
Q

Human Interactions (Bivalvia)

A
  • can reduce water turbidity

- used as food source

32
Q

Class Cephalopoda

A
  • octopus, squid, nautilus, cuttlefish

- highly-developed brain

33
Q

Senses of Cephalopods

A

-eyes, statocysts, osphradia, tactile and chemoreceptors

34
Q

Defense of Cephalopods

A

chromatophores

35
Q

What are the female reproductive organs of cephalopods?

A

eggs, nidamental glands

36
Q

What are the male reproductive organs of cephalopods?

A

testes, spermatophores (packets of sperm), hectocotylus

37
Q

It is the subphylum of Arthropoda that is extinct and has three tagmata (head, thorax, pygdium). It looks like giant cockroaches found under the ocean.

A

Subphylum Trilobitomorpha

38
Q

It has two tagmata, book lungs/tracheae, and dioecious. Examples include spiders, ticks, and mites.

A

Subphylum Chelicerata

39
Q

It is used by chelicerata for locomotion.

A

prosoma

40
Q

It is the abdomen of chelicerata.

A

opisthosoma

41
Q

An order of chelicerata whose thorax is elongated. An example is scorpions.

A

Order Scorpionida

42
Q

An example of this order is the black widow.

A

Order Araneae

43
Q

Examples of this order are ticks and mites.

A

Order Acarina

44
Q

An example of this order are sea spiders.

A

Order Pycogonida

45
Q

Another order under chelicerata is…

A

Order opiliones

46
Q

This subphylum has

  • numerous pairs of legs
  • two tagmata: head and trunk
  • single pair of antennae
  • detrivitores, predatory
A

Subphylum Myriapoda

47
Q 
It is a class under myriapoda that includes millipedes.
Defense: toxins and curling
A

Class Diplopoda

48
Q

This class of myriapoda includes centipedes.
Defense: maxillipeds
Example: Scutigera coleoptrata

A

Class Chilopoda

49
Q

Another subphylum of arthropoda whose characteristics are

  • are six legs
  • most successful land-based animals
  • first animals to fly
A

Subphylum Hexapoda

50
Q

It is a class under subphylum hexapoda that has three tagmata (head, thorax, abdomen) and has an open circulatory system.

A

Class Insecta

Biology Lab (2 decks)

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