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Invertebrate Biology > Phylum Arthropoda - Chelicerates, and hexapods - auxillary information > Flashcards

Phylum Arthropoda - Chelicerates, and hexapods - auxillary information Flashcards

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1
Q

Phylum tardigrada:

  • small group of __________ symmetrical arthropod-like animals
  • They are around __-_____um in size
  • they prossess short, _______ legs
  • Most are found in ______; some ______ species have been found
  • semi-________ forms are found in the thin water films in soils or covering mosses, lichens, and liverworts
A 
bilaterally
50-1000um
unjointed
freshwater, marine
terrestrial
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2
Q

Phylum Onicophora:
Arthropod characteristics:
- ____ circulatory system
- a large _______
- a ______ heart
- respiratory system has _______ and _______
- has a pair of modified appendages, called ________, for feeding

A 
open
hemocoel
dorsal
trachea, spiracles
mandibles
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3
Q

Phylum Onicophora
Annelid characteristics:
- ciliated ________
- lack of _______ appendages

A

nephridia

jointed

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4
Q

An onicophoran is segmented, how is this known?

A

NS and nephridia are segmented, position of legs indicates segmentation.

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5
Q

Trilobites are _______.
What is the exoskeleton made of?
These live in ______ environments.
Abundant during what periods of the Paleozoic?

A

extinct
chitin
marine
Cambrian, Ordovician

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6
Q

Chelicerates are distinguished from other arthropods by two major features:
1. Chelicerates do not possess _______
2 . The first pair of appendages are modified ______ to form opposing ____-like legs called _________

A

antennae

distally, claw, chelicerae

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7
Q

Following the chelicerae are the _________ and posterior to these are ____ pairs of walking legs.
_______ are lacking in chelicerates.

A

pedipalps
4
mandibles

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8
Q

In chelicerates, the body is divided into two ________.
1 . Anterior ________ or _________
2 . Posterior _______ or _________.
All appendages are assocaited with the _________.
The only exception is what?

A 
tagmata
prosoma or cephalothorax
abdomen or opisthosoma
prosoma
Horseshoe crab
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9
Q

Class Arachnida:

- most are ______ of animals and plants, or ________ of agricultural pests.

A

parasites, predators

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10
Q

In arachnids:

  • the prosoma possesses __ pairs of locomotory appendages
  • __ pair of chelicera
  • a pair of ________
A

4
1
pedipalps

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11
Q

In order opiolones, the prosoma and opisthosoma are essentially ______.

A

fused

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12
Q

Order Acarina:
- many are ______ or _________ hosts of disease causing organisms
- ex: ______ disease and what?
What is fused?

A

vectors, intermediate
lyme, rocky mountain spotted fever
Prosoma and opisthosoma are fused

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13
Q

All ticks follow what lifestyle?

A

Parasitic

feed on blood or burrow through tissues

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14
Q

The common dust mite is not parasitic but can cause issues how?

A

cause allergic reactions in humans

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15
Q

What are used to hold prey and are used in courtship in scorpions?

A

Chelate pedipalps

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16
Q

Where are scorpions common?

A

Tropical, subtropical and south temperate zones
- all warm
common in SW US

17
Q

What does the prosoma of scorpions bear?

A

Chelicerae, pedipalps, 4 pairs of walking legs

18
Q

Most millipedes are _____-moving _____vores.

A

slow

herbi

19
Q

Centipedes:

  • the first pair of trunk appendages are _______
  • most centipedes are _____ moving ____-vorous _________
A

poisonous
slow
omnivorous predators

20
Q

Who are the dominant and most successful group of inverts?

A

Insects

21
Q

Insects are the only inverts that can do this?

A

What is, flight?

22
Q

The bodies of adult insects are divisible into three tagmata. What are they?

A

Anterior - head
middle - thorax
posterior - abdomen

23
Q

Adult hexopods typically have two _______, five _____ (two ______ and three _______), six _____ adn two pairs of _____ in adults.

A

antennae
eyes - two compound, 3 ocelli
legs
wings

24
Q

Order Thysanura

  • aka _________
  • _____-moving insects that possess ___ or ______ styliform appendages on the abdoment and chewing mouthparts
  • they are destructive to ______ and _______
A

silverfish
fast, 2 or 3
clothes, books

25
Q

Order collembola

  • Common name?
  • possess an abdominal organ for ______
  • chewing mouthparts
  • found where?
A

springtails
jumping
leaf litter

26
Q

Order ephemeroptera

  • common name?
  • the first pair of net-veined wings are ______ than the second pair
  • mouthparts are _____-lived in adults and are of vestigial chewing type
  • metamorphosis is _______
A

mayflies
longer
short
gradual

27
Q

Order odonata:

  • Common name?
  • both the adults and the aquatic nymphs are ______
  • the _____ are held laterally or vertically outstretched
A

dragonflies, damselflies
predators
wings

28
Q

Order orthoptera

  • Contains what?
  • the winged forms of this larger order have the membranous wings beneath the leathery _______
  • the ______ of hind legs is _______ in many species
A

crickets, grasshoppers
forewings
femur, enlarged

29
Q

Mantids are ____-vores.

A

carnivores

30
Q

Cockroaches are _____-vores.

- most have ________ bacteria to aid in digestion of ________

A

omnivores

symbiotic, cellulose

31
Q

Order Hemiptera

  • common name?
  • the basal part of the forewings is ________, while the distal part is _________
  • _______/________ mouthparts form a beak arising at the front of the head
A

true bugs
thickened, membranous
piercing/sucking

32
Q

Order Coleoptera

  • common name?
  • Anterior wings are thick and hard - called _______
  • membranous hindwings, when not in use are ______ under the elytra
  • ______ insect order
A

beetle
elytra
folded
largest

33
Q

Order lepidoptera

  • common name?
  • body and wings in the adult are covered with tiny ______
  • a coiled ______ is used for sucking nectar from flowers
  • the larva is commonly called what?
A

moths, butteflies
scales
proboscis
caterpillar

34
Q

A butterfly has a _______ which joins the hindwing to the forewing.

A

frenulum

35
Q

Order Diptera:

  • common name?
  • hindwings are reduced to knob-like _______
  • mouthparts are ______/_______ and lapping types
  • the larve is commonly called a ______
A

flies and mosquitoes
halteres
piercing/sucking
maggot

36
Q

Order Hymenoptera:

  • common name?
  • winged and wingless species occur
  • the wings are transparent with few veins
  • can be _______ or ________ (living arrangement))
  • mouthparts are modified for chewing, lapping or sucking
A

ants, bees, wasps

social, solitary

37
Q

Hymenopterans have _______ which are hooks connecting the hind and forewings

A

hammuli

38
Q

Order Siphonaptera:

  • common name?
  • Bodies are compressed _______
  • no ______
  • legs are modified for _______
  • adults possess what kind of mouthparts?
A 
fleas
laterally
wings
jumping
piercing/sucking
39
Q

Order Isoptera:

  • common name?
  • the abdomen is broadly joined to the thorax
  • these are ______, _______ insects that have winged and non-winged individuals
A

termites

colonial, social

Invertebrate Biology (36 decks)

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