Frog Flashcards
Phylum
Sub phylum
Super classs
Class
Genus
Species
Common species of toad ( difference )
Chordates
Vertebreta
Tetrapoda
Amphibia
Rana
Tigrina
Bufo melanostictus ( toad have poisonous gland in its skin but it is absent in frog
Body temperature , called
Camouflage
Mimicry
In winters , summer take shelter in , aestivation, hibernation
Not constant , cold blooded or poikilothermal
Ability to change the colour to hide them from their enemies
Protective colouration
Deep burrows , summer sleep , winter sleep
Length , width frog , colour of frog ,
water, Absent
Each eye has
18-20 cm , 5-8 cm , dorsal = olive green , ventral = uniformly pale yellow ,
never drinks it but absorb it through skin , Neck and tail
Upper eye lid = immovable
Lower = movable
Third eye lid = nictitating membrane
Head has
Mouth
Nostrils 1 pair
Eyes 1 pair
Tympanic membrane 1 pair
Vocal sac 1 pair
Brow spot - 1 at mid dorsal region
Brow spot represents
Related with hearing
Vocal sac in male act as , increases
Fore limbs (absent ) , hind limb
Vestigial third eye or pineal eye
Tympanic membrane/eardrum
Resonater , pitch of croacking
4 , thumb , 5 digits
Hind limbs are , have
Cloacal aperture
Makes frog can be distinguished by
Larger and muscular then fore limb , webbed digit that help in swimming
Common outlet for faeces , urine , sex cells (sperm , ova )
Presence of sound producing vocal sacs
Copulatory pad on first digit of fore limb which are absent in female frog
Cutaneous respiration
Pulmonary respiration
Buccal respiration
2 parts of digestion system
35% = skin contain mucous gland which causes diffusion
56% = two pear shaped lung are present in anterior part of trunk
9% = large network of capillaries in its oral cavity
Alimentary canal , digestive glands
Alimentary canal is , hence
Short because frog is carnivorous hence length of intestine is reduced
