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BIOL 205 > Final exam > Flashcards

Final exam Flashcards

1
Q

Phylum Arthropoda General Characteristics

A
  1. Chitinous exoskeleton - molting (ecdysis)
  2. Metamorphosis
  3. Metamerism
  4. Tagmatization
  5. Jointed limbs
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2
Q

Metamorphosis

A

a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal’s body structure through cell growth and differentiation

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3
Q

Metamerism

A

Metamerism is the phenomenon of forming a linear series of body segments that are similar in structure.

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4
Q

Tagmatization

A

a segmented body with very specialized segments

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5
Q

Subphylum Chelicerata general characteristics

A
  1. Chelicerae
  2. two tagmata
  3. No antennae or mandibles
  4. Six pairs of limbs on prosoma
  5. Diverse and commonly encountered group
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6
Q

Chelicerae

A

the mouthparts of the Chelicerata

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7
Q

Mandible

A

pair of mouthparts used either for biting or cutting and holding food.

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8
Q

Prosoma

A

the anterior region of the body of an invertebrate

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9
Q

Class Arachnida ORDERS (Chelicerata)

A
  1. Aranae (spiders)
    a) Mesothelae
    b) Mygalomorpha
    c) Araneomorpha
  2. Scorpionida (scorpians)
  3. Opiliones (harvestman)
  4. Acari (Mites)
  5. Pseudoscorpiones
  6. Solifugae (solpugids)
  7. Thelyphonida (uropigids, whip scorpions)
  8. Amblypygi
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10
Q

Subphylum Myriapoda

A
  1. Class Chilopoda (centipedes)

2. Class Diplopoda (milipedes)

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11
Q

subphylum pan crustacea General characteristics

A
  1. Three tagmata, two pairs of antennae
  2. Heavily calcified exoskeleton
  3. Biramous appendages
  4. Generally aquatic (some are terrestrial)
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12
Q

Subphylum pan crustacea Classes

A
  1. Remipedia / Cephalocarida (called Xenocarida)
  2. Ostracoda (small and benthic. Has a bivalve carapace that acts as a chitinous body shield that covers all or parts of an animal)
  3. Branchipoda (small and aquatic. Phyllopodia that is used for swimming/respiration/feeding)
  4. Copepoda (Small pelagic. First antennae is long and the second is short)
  5. Cirripedia (Small sessile. Includes barnacles)
  6. Malacostraca (most large crustaceans: crabs lobsters shrimp)
    a) Decapoda
    b) Isopoda
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13
Q

Class Insecta (Hexapoda) general characteristics

A
  1. Three tagmata
  2. Four or two wings
  3. Six legs
  4. Uniramous appendages
  5. Metamorphosis
  6. Tracheal system
  7. Malpighian tubules
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14
Q

Hexapoda Orders

A
  1. Coleoptera (beetles)
  2. Hemiptera (true bugs)
  3. Hymenoptera (ants, wasps, bees)
  4. Diptera (fleas)
  5. Lepdoptera (butterflies, moths)
  6. Siphonaptera (fleas)
  7. Isoptera (termites)
  8. Mantodea (mantises)
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15
Q

Phylum Echinodermata

A
  1. Asteriodea
  2. Ophiuroidea
  3. Echinoidea
  4. Holothuroidea
  5. Crinoidea
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16
Q

Class Asteriodea

A
  1. Sea stars
  2. Pentaradial symmetry
  3. Gastric eversion
17
Q

Class Ophiuroidea

A
  1. Brittle stars
  2. Pentaradial symmetry
  3. Closed ambulacrum
  4. Excellent regeneration
  5. Highly motile
  6. Articulated ossicles
18
Q

Class Echinoidea

A
  1. Sea urchins, sand dollars, sea biscuits
  2. Aristotle’s lantern
  3. test
19
Q

Class Holothuroidea

A
  1. Reduced ossicles
  2. Soft bodied
  3. Bilateral symmetry
20
Q

Class Crinoidea

A
  1. Filter feeders, somewhat sessile

2. Many arms, ciliated ambulacrum

21
Q

Phylum Hemichordata General characteristics

A
  1. Burrowing or tube-dwelling
  2. Pharyngeal slits
  3. Dorsal nerve cord
  4. Acorn worms and pterobranchs
  5. Probably sister to echinoderms

BIOL 205 (7 decks)

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