Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Herpetology > Snakes > Flashcards

Snakes Flashcards

1
Q

Snake characteristics

A
  • highest degree of cranial kinesis of any tetrapods
  • transparent spectacle covering eye
  • large right lung, reduced left
  • jacobson/vomeronasal organ (for chemoreception)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pit organs in snakes

A
  • sensitive infrared receptors
  • pit vipers: b/t nostril and eye
  • boas and pythons: paired structure along lips
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Reproduction with snakes

A
  • paired copulatory organs - hemipenes

- genetic sex determination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Feeding in snakes

A
  • unilateral feeding (right and left bones of upper jaw move alternately)
  • have a glottis to breathe while consuming prey
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How do snakes kill prey

A
  • constriction

- immobilization with fangs (venom)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Viperid venom

A
  • generally hemolytic, attacks blood - internal bleeding

- also cytolytic, destructs cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Elapid venom

A
  • generally neurotoxic

- immobilizes prey, permanent damage, suffocates first)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Threats to snake populations

A
  • indiscriminate killing and collecting
  • habitat loss and fragmentation
  • snake fungal disease
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Primitive snakes (order, characteristics)

A

Order: Scolecophidia

  • solid skulls
  • fossorial
  • primitive eyes - retina only contains rods
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Pythons (family and characteristics)

A
  • Family: Pythonidae
  • nonvenomous constrictors
  • habitat: desert to rain forest
  • cloacal spurs
  • pit organs
  • includes longest extant snake
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Burmese python

A
  • introduced into Everglades - invasive
  • 30k-300k pythons could be in park
  • implicated in severe declines of mammal species
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Boas (family and characteristics)

A
  • Family: Boidae
  • nonvenomous - vivparous
  • vestigal pelvic girdle
  • heaviest extant snake
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Vipers and pit vipers (family and characteristics)

A
  • Family: Viperidae
  • venomous
  • viviparous or oviparous
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Copperhead (name, range, characteristics)

A
  • Agkistrodon contortrix
  • no rattle
  • dark cross bands in hourglass pattern
  • mostly nocturnal
  • south NY
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Timber rattlesnake (name, range, characteristics)

A
  • Crotalus horridus
  • largest venomous snake in NY
  • has ratte
  • yellow and dark morphs
  • reproduce every 3-4 years
  • S NY, along W+S border
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Massasauga (name, range, characteristics)

A
  • Sistrurus catenatus
  • venomous with rattle
  • wetland-dependant
  • viviparous
  • two spots in NY, one is in Onondaga
17
Q

Cobras, kraits, sea snakes, death adders and allies (family and characteristics)

A
  • Family: Elapidae
  • worlds deadliest snakes
  • neurotoxin to paralyze prey
18
Q

Common snakes (family and characteristics)

A
  • Family: Colubridae

- largest snake family

19
Q

Northern water snake (name, range, characteristics)

A
  • Nerodia sipedon
  • most aquatic NY snake
  • permanent freshwater habitats
  • All around NY except ADK
20
Q

Queen snake (name, range, characteristics)

A
  • Regina septemvittata
  • moving water with shrubs
  • specializes on molted crayfish
  • dark tan-black with yellow stripe on lower sides
  • 4 spots on W NY
21
Q

DeKays brown snake (name, range, characteristics)

A
  • Storeria dekayi
  • small with keeled scales
  • terrestrial and marshy habitats
  • scattered everywhere in NY
22
Q

Red-bellied snake (name, range, characteristics)

A
  • Storeria occipitomaculata
  • smallest snake in NY
  • 2 color morphs: red/brown
  • 3 light spots behind head
  • moist forests
  • common everywhere in NY
23
Q

Short-headed garter snake

A
  • Thamnophis brachystoma
  • meadows, forest edge
  • brown with 3 light stripes
  • SW border of NY
24
Q

Eastern ribbon snake (name, range, characteristics)

A
  • Thamnophis sauritus
  • small spot of yellow in front of eye
  • long tail
  • fairly aquatic but bask in grass
  • Scattered through NY but not common
25
Q

Common garter snake (name, range, characteristics)

A
  • Thamnophis sirtalis
  • most widespread snake in NY
  • Variable in color
  • true viviparity
  • everywhere in NY
26
Q

Smooth green snake (name, range, characteristics)

A
  • Liochlorophis vernalis
  • bright green with white belly
  • wet grassy areas near forests, lakes, wetlands
  • scattered throughout NY
27
Q

Eastern worm snake (name, range, characteristics)

A
  • Carphophis amoenus
  • brown with pink belly, blunt tail
  • moist forests with streams
  • mostly fossorial
  • only in S NY, long island
28
Q

Eastern racer (name, range, characteristics)

A
  • Coluber constrictor
  • black with white chin and dark belly
  • does not constrict
  • S NY, some in central NY
29
Q

Ring-necked snake (name, range, characteristics)

A
  • Diadophis punctatus
  • yellow/orange belly and neck ring
  • mostly nocturnal
  • common in central NY mostly, some in S and W NY, almost none north
30
Q

Eastern rat snake (name, range, characteristics)

A
  • Elaphe alleghaniensis
  • longest snake in NY
  • black with white checkered belly
  • constricts
  • mostly S NY, some scattered throughout
31
Q

Eastern hognose snake (name, range, characteristics)

A
  • Heterodon platirhinos
  • flattened, upturned snout
  • S NY, some Eastern
32
Q

Milk snake (name, range, characteristics)

A
  • Lampropeltis triangulum
  • red or reddish-brown blotches with black outline
  • old fields, farmlands
  • everywhere in NY except ADK

Herpetology (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions