Class Amphibia

Question 1

amphibia meaning

Answer 1

double life

Question 2

why is the meaning of amphibians appropriate?

Answer 2

they go through metamorphosis

Question 3

how many species are in class Amphibia

Answer 3

6000 species

Question 4

3 orders in class Amphibia

Answer 4

Apoda, Caudata, Anura

Question 5

Apoda meaning

Answer 5

no legs

Question 6

Caudata meaning

Answer 6

with tail

Question 7

Anura meaning

Answer 7

without tail

Question 8

how many species are in order Apoda

Answer 8

170 species

Question 9

how many species are in order Caudata

Answer 9

550 species

Question 10

how many species are in order Anura

Answer 10

5,300 species

Question 11

example of order Apoda

Answer 11

caecilians

Question 12

examples of order Caudata

Answer 12

salamanders, newts

Question 13

examples of order Anura

Answer 13

frogs, toads

Question 14

Kingdom, phylum, class and order of a bull frog

Answer 14

Animalia, Chordata, Amphibia, Anura

Question 15

characteristics of amphibians

Answer 15

vertebrates with endoskeleton; ectothermic; go through metamorphosis; most have smooth/moist skin; breathe with gills as larvae and lungs; skin, and lining of mouth as adults; eggs without shells; external fertilization

Question 16

how do frogs breathe as larvae

Answer 16

gills

Question 17

how do frogs breathe as adults

Answer 17

lungs, skin, and lining of mouth

Question 18

cutaneous respiration

Answer 18

breathing through skin

Question 19

buccal respiration

Answer 19

breathing through lining of mouth

Question 20

what’s the purpose of mucus on a frog’s skin

Answer 20

it keeps them moist which aids in breathing

Question 21

are frogs warm or cold blooded? give the scientific answer

Answer 21

ectothermic (cold blooded)

Question 22

are tadpoles more like fish or frogs?

Answer 22

fish, they breathe with gills and use a tail to aid in swimming

Question 23

how many chambers does an adult amphibian heart have?

Answer 23

3

Question 24

describe the blood circulation of a frog

Answer 24

O2 poor blood collects in right atrium while O2 rich blood collects in left atrium; both atria empty into ventricle; ventricle pumps O2 rich blood to body and O2 poor blood to lungs, spiral valve helps keep blood separate when ventral connects

Question 25

what kind of circulation do frongs have?

Answer 25

closed, double loop circulation

Question 26

what does closed, double loop circulation mean?

Answer 26

blood is contained within the blood vessels and enters the heart twice

Question 27

frog land adaptations

Answer 27

powerful hind legs for swimming; toes on front feet; adults breathe through lungs, skin, and lining of mouth; eyes covered by nictitating membrane; body supported by endoskeleton; 3 chambered heart

Question 28

frog water adaptations

Answer 28

powerful hind legs for swimming, webbed hind feet; tadpoles breathe with gills; skin used for breathing during hibernation; eyes covered by nictitating membrane; bulging eye; dark dorsal and light ventral

Question 29

1st step of frog metamorphosis

Answer 29

frog mass laid in water before fertilized

Question 30

2nd step of frog metamorphosis

Answer 30

eggs have no shell, protected and nourished by jellylike layer

Question 31

3rd step of frog metamorphosis

Answer 31

hatches after 10-20 days (hatching)

Question 32

4th step of frog metamorphosis

Answer 32

tadpole breathes with gills, has 2 chambered heart

Question 33

5th stage of frog metamorphosis

Answer 33

develops digestive tract and eat algae

Question 34

6th stage of frog metamorphosis

Answer 34

hind legs with webbed feet appear

Question 35

7th stage of frog metamorphosis

Answer 35

continue to grow, tail goes back into body

Question 36

8th stage of frog metamorphosis

Answer 36

front legs with toes develop, septum in heart separates atrium into 2; saclike structures in through become lungs as gills stop working

Question 37

9th stage of frog metamorphosis

Answer 37

tadpole frog

Question 38

10th stage of frog metamorphosis

Answer 38

young frog

Question 39

11th stage of frog metamorphosis

Answer 39

adult frog

Question 40

what color is the dorsal side of a frog? why?

Answer 40

darker, camo

Question 41

what color is the ventral side of a frog? why?

Answer 41

lighter, camo

Question 42

what do adult frogs eat?

Answer 42

insects, spiders, worms, slugs, snails

Question 43

what do tadpoles eat?

Answer 43

larvae

Question 44

what is the eyelid of a frog called?

Answer 44

nictitating membrane

Question 45

nictitating membrane function

Answer 45

used as eye protection when swimming

Question 46

where is the frogs tongue located?

Answer 46

front of mouth

Question 47

esophagus function

Answer 47

carries food from mouth to stomach

Question 48

stomach function

Answer 48

digestion begins

Question 49

pancreas function

Answer 49

secretes digestive enzymes into stomach and small intestine to break down food

Question 50

kidneys function

Answer 50

filter cell waste from blood and create urine

Question 51

ureter function

Answer 51

tube carries urine from kidneys to urinary bladder

Question 52

urinary bladder function

Answer 52

stores urine until released through cloaca

Question 53

aorta function

Answer 53

carries O2 rich blood from heart toward body

Question 54

lungs function

Answer 54

take in O2 and release Co2

Question 55

3 chambered heart function

Answer 55

2 atria collects blood, ventricle pumps blood

Question 56

liver function

Answer 56

aids in digestion

Question 57

gall bladder function

Answer 57

creates bile to aid in digestion

Question 58

spleen function

Answer 58

filter germs from blood

Question 59

blood vessels fuction

Answer 59

carry blood away from heart

Question 60

small intestine function

Answer 60

digestion continues

Question 61

large intestine function

Answer 61

final stages stages of digestion, creates solid waste

Question 62

fat bodies function

Answer 62

nourish developing egg/sperm

Question 63

ovary/testes

Answer 63

produce gametes