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Biology 2 > Lecture 15-Invertebrate II > Flashcards

Lecture 15-Invertebrate II Flashcards

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1
Q

Roundworms are in the phylum __________.

A

Nematoda

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2
Q

Roundworms are __________ worms.

A

Non-segmented

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3
Q

Organisms in the phylum Nematoda have __________ muscles.

A

Longitudinal

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4
Q

Organisms in the phylum Nematoda have __________ canals.

A

Alimentary

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5
Q

Do organisms in the phylum Nematoda have circulatory systems?

A

No

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6
Q

Organisms in the phylum Nematoda are free __________ and __________.

A

Living, parasitic

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7
Q

The Filariasis nematode can cause __________.

A

Elephantiasis (aka elephantitis)

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8
Q

__________ is caused by nematode larvae encysted in muscle.

A

Trichinosis

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9
Q

Rod of Asclepius may be based on this nematode.

A

Guinea worm

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10
Q

“Jointed feet”.

A

Arthropoda

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11
Q

Organisms in the phylum Arthropoda have __________ symmetry.

A

Bilateral

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12
Q

Arthropods have __________ bodies.

A

Segmented

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13
Q

Arthropods have hard __________.

A

Exoskeletons

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14
Q

An arthropod’s exoskeleton is made of __________.

A

Chitin

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15
Q

An arthropod’s exoskeleton is __________ resistant.

A

Desiccation

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16
Q

Ecdysis is otherwise known as what?

A

Molt

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17
Q

Arthropods have __________ legs.

A

Jointed

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18
Q

An arthropod’s many pairs of limbs provide __________.

A

Specialization

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19
Q

Arthropods have __________ guts.

A

Complete

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20
Q

Arthropods have __________ circulatory systems.

A

Open

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21
Q

Arthropods evolved from:

A

Segmented worms

22
Q

Segments __________ over time and __________.

A

Fuse, specialize

23
Q

The class of Arthropods that are extinct.

A

Trilobites

24
Q

The 5 classes of Arthropods are:

A

Cheliceriformes, Myriapoda, Hexapoda, Crustacea, and Trilobites

25
Q

Spiders, ticks, horseshoe crabs, and scorpions are examples of __________.

A

Cheliceraformes

26
Q

Claw-like feeding appendage.

A

Chelicera

27
Q

Cheliceraformes do not have __________.

A

Antennae

28
Q

Fused head and thorax.

A

Cephalothorax

29
Q

Cheliceraformes have:

A

Cephalothoraxes

30
Q

Millipedes are __________.

A

Herbivores

31
Q

Millipedes have _____ pair(s) of legs per segment.

A

2

32
Q

Centipedes are __________.

A

Carnivores

33
Q

Centipedes have _____ pair(s) of legs per segment.

A

1

34
Q

Millipedes and centipedes are in this class of Arthropoda.

A

Myriapoda

35
Q

This class of Arthropods is insects.

A

Hexapoda

36
Q

The 3 main parts of class Hexapoda are:

A

Head, thorax, and abdomen

37
Q

Insects (or organisms in the class Hexapoda) have _____ pair(s) of walking legs.

A

3

38
Q

Insects (or organisms in the class Hexapoda) have _____ antennae.

A

2

39
Q

Crabs, shrimp, barnacles, and lobsters are examples of __________.

A

Crustacea

40
Q

Most organisms in the class Crustacea are __________ and __________.

A

Marine and freshwater

41
Q

A few organisms in the class Crustacea are __________.

A

Terrestrial

42
Q

Starfish, brittle stars, sea cucumbers, and sea urchins are examples of __________.

A

Echinoderms

43
Q

Are Echinoderms protostomes or deuterostomes?

A

Deuterostomes

44
Q

Echinoderms have endoskeletons made of __________ __________.

A

Calcareous plates

45
Q

Hydraulic system of closed tubes containing sea water.

A

Water vascular system

46
Q

Used for locomotion (tube feet), food and waste transport, and respiration.

A

Water vascular system

47
Q

The water vascular system is used for __________, __________ and __________ transport, and __________.

A

Locomotion, food and waste, respiration

48
Q

Echinoderms have __________ larvae.

A

Bilateral

49
Q

Adult echinoderms have __________ symmetry.

A

Radial

50
Q

Radial symmetry in echinoderms is __________.

A

Homoplastic

Biology 2 (32 decks)

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