Frogs live on both
Land and fresh water
Frogs belong to class
Amphibia of phylum chordata
Most common species of frog found in India
Rana tigrina
Frogs are Pokilotherms or Homeotherms
Pokilotherms
Their body temp varies with temp of environment
The ability to change colour in grass and dry land and hide from enemies called
Camouflage
Protective coloration is called
mimicry
Where do frogs go in peak summer and winter
They take shelter in deep from heat and cold
Summer sleep is celled
Aestivation
Winter sleep is called
Hibernation
Skin of frogs is smooth and slippery due to
Presence of mucus due to skin is always in moist condition
Colour of dorsal side of body is
Olive green with dark irregular spots
Colour on ventral side is
Uniformly pale yellow
Frogs never drink water but they get it through
Absorb through skin
Body of frog is divisible into___&___ and ___&__ absent
Head & trunk and neck & tail
Pair of Nostrils present above the __
Mouth
What specialized structure covers and protects a frog’s eyes while it is underwater?
The nictitating membrane
Functions of fore limbs and Hind limbs
Help in swimming,waking leaping burrowing
How many digits do hindlimbs have and how
Differ from fore limbs
5 digits(H)
They are larger and muscular than fore limbs
How many digits do forelimbs have
4
Males and females frogs can be distinguished by
Presence of vocal sacs and copulatory pad on first digit of fore limbs and absent in females
Copulatory pads absent in
Females
What is the name of the membranous organ located on either side of the eyes used for receiving sound?
Tympanum (ear)
