Lab Quiz 3-Lepidosaurs Flashcards Preview

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Flashcards in Lab Quiz 3-Lepidosaurs Deck (18):
1

What groups are in Lepidosauria?

Rhynchocephalia (including Sphenodon) & squamate reptiles (Squamata)

2

What are Lepidosaur synapomorphies?

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3

Explain the streptostylic skull.

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4

Explain pleurodont dentition.

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5

What is caudal autonomy?

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6

Name the family: 

1 extant genus; 2 extant species ; Found only on small islands off the coast of New Zealand; Nocturnal, Spend day in burrows; often share with petrels, Mostly insectivorous; also known to eat earthworms, snails, bird eggs, nestling birds, lizards, and Leiopelma; Territorial and communicate with conspecifics using iguanian lizard-like displays such as head bobs, erection of dorsal crest, etc.; some vocalizations

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7

What are the distinct features of Sphenodon (Tautara)?

 

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8

What are the primitive features of Sphenodon?

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9

Explain Sphenodon Metabolism and Reproduction.

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10

Explain Sphenodon fossil record and current conservation status.

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11

Name the Group: 

~45 ʻfamiliesʼ, ~7700 species, Wide range of sizes: ~2.5 cm to ~9 m (30 feet!!) in length, Inhabit all terrestrial and aquatic habitats that are sufficiently warm; Some occur north of Arctic Circle; others up to ~5500 m in elevation with short activity seasons; Includes terrestrial, arboreal, saxicolous, arenicolous, burrowing, aquatic, marine, and even gliding forms/ ecomorphs

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12

What are notable squamate synapomorphies?

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13

Explain the highly kinetic skull of squamates.

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14

Explain the hemipenes of Squamates.

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15

Explain the vomernasal system of Squamates.

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16

Explain limb reduction in Squamates. 

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17

Explain integument in Squamates.

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18

List the different Squamate ecomorphs.

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