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An Sci 200 > Herps > Flashcards

Herps Flashcards

1
Q

What are herps?

A

reptiles and amphibians

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2
Q

characteristics of amphibians

A

skin without scales
heterothermic
three chambered heart
fresh water and terrestrial

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3
Q

metamorphosis in amphibians

A

have gills when young, breathe with lungs as adults

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4
Q

amphibians that participate in metamorphosis

A

frogs, toads, salamanders

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5
Q

reproduction of amphibians

A

oviparous: lay eggs

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6
Q

why do amphibians need water to reproduce?

A

tadpoles have gills
prevents eggs from drying out

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7
Q

ideal temperature for amphibians

A

68-72 F

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8
Q

how do amphibians cool down?

A

evaporative cooling, may burrow in soil

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9
Q

what do amphibians eat?

A

mealworms, crickets, sowbugs, flies, (pinky mice)

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10
Q

why do you need to add calcium to an amphibians diet?

A

most insects are calcium deficient

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11
Q

gut load

A

feeding nutrients to feed (insects)

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12
Q

how do amphibians get water?

A

the absorb it through their skin

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13
Q

argentine horned frogs

A

up to 6 inches, eat mice and small reptiles

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14
Q

african clawed frogs

A

carry fungus that is deadly to other frogs

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15
Q

characteristics of reptiles

A

don’t go through metamorphosis
heterothermic
almost all have three-chambered heart
body covered with scales
air-breathing
terrestrial (secondarily aquatic)

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16
Q

what reptile has a four chambered heart?

A

crocodiles

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17
Q

reproduction of reptiles

A

mostly oviparous
some (snakes) give birth to live young (ovoviviparous)
eggs are able to incubate outside of water due to shell
internal fertilization

18
Q

why is incubation by parents rare in reptiles

A

they are cold blooded, don’t produce body heat

19
Q

lifespan of a snake

A

10-20 years, can be 40 years

20
Q

things to look for in a healthy snake

A

no open mouth breathing or gasping for breath
inside of mouth uniformly pink (reddened areas or cheesy looking matter may indicate mouth rot)

21
Q

why should you ask for a feeding demonstration when purchasing a snake?

A

since they don’t eat often, it shows they are able to eat/healthy

22
Q

what is a good size for a snake enclosure?

A

30 gallon for small snakes, 60+ for large snakes

23
Q

how should the temperature in a snake enclosure be controlled?

A

temperature gradient where the heat source is on one side and it gets cooler farther out

24
Q

reproduction of snakes

A

a few are ovoviviparous (live birth), most are oviparous (lay eggs)

25
Q

what is the difference between reptile and bird eggs compared to fish and amphibian eggs

A

They are large and have shells, so they don’t need to be in water

26
Q

lizard pets

A

geckos, bearded dragons, anoles, chameleons

27
Q

leopard gecko characteristics

A

7-10 inches long
40-60 grams
average life expectancy of 10-20 years
can be raised together but only one male

28
Q

leopard gecko equipment

A

aquarium with screened top
shallow water dish
newspaper/paper towel for substrate
can fill with moss and mist daily to maintain humidity
heat source: mid-80s during day, cooler at night

29
Q

leopard gecko feeding

A

mealworms or crickets (4 per day)
gut-load feed
provide vitamin-mineral powder (calcium, vitamin D)

30
Q

leopard gecko reproduction

A

sexually mature by about a year
lay 2 eggs in a “clutch”
may lay 10-16 eggs per year
incubation 60-70 days

31
Q

what is unique about leopard gecko reproduction?

A

temperature dependent sex determination: sex determined by daytime high temperature during first 2 weeks of incubation

32
Q

why are iguanas not good pets?

A

can grow very fats
difficult to feed

33
Q

equipment for red eared slider

A

aquarium: 10 gal per inch
need water and land areas
water dish separate from swimming area
light source/sunshine: important for basking, vitamin D
tank heater (75 degrees)

34
Q

red eared slider feeding

A

young mostly carnivorous, need less protein as they get older
offer fruits and vegetables
need vitamin A, calcium

35
Q

red eared slider reproduction

A

need to hibernate first
female will lay clutch of eggs (5+) in soil
temperature dependent sex determination

36
Q

advantages of herps as pets

A

exotic
quiet
less feeding

37
Q

disadvantages of herps as pets

A

temp control
difficult to get food/eat
heterothermic (not cuddly, hard to tell if healthy)
personal injury

38
Q

what % of salmonella infections in children were caused by turtles in 1970

A

14%

39
Q

why was a law passed that makes it illegal to sell turtles smaller than 4” in legth

A

to make them too big for kids to put in their mouth

40
Q

jacobson’s organs

A

on the top of the mouth, allow them to taste odors/sense heat

41
Q

how long have herps been protected under state anti-cruelty laws?

A

50 years

An Sci 200 (43 decks)

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