Class Amphibia

Question 1

Facts About Amphibians

In terms of habitat survival
In terms of adult habitat survival
In terms of body temperature
In terms of skin

Answer 1

Their larvae are aquatic and adult can survive on land
Adults may be aquatic, amphibious or terrestrial
They are ectothermic animals
The skin is soft usually with no scales

Question 2

Facts About Amphibians

In terms of limb arrangement
In terms of ear
In terms of reproduction and fertilization
In terms of defense

Answer 2

They have pentadactyl
They have both middle and inner ear present
Reproduction is sexual while fertilization is external
They have poisonous glands used for defence

Question 3

Facts About Amphibians

In terms of respiration
In terms of red blood cells
In terms of heart
In terms of fertilization

Answer 3

The larva use gills for respiration, adults use lungs
The red blood cells are ovoid and nucleated
Heart is made of 3 chambers: 1 ventricle & 2 auricles
Eggs are laid and fertilized in water, where they hatch into larvae such as tadpoles of frogs, that eventually metamorphise into adults