Amphibians, science

1. Amphibians
The frog

3. EGGS
Female frogs
lay their eggs
in water

4. TADPOLES
Tadpoles hatch from the
eggs, swim, and breathe
using gills

5. TADPOLE WITHOUT GILLS
At six weeks, external gills
disappear, and the tadpole
breathes air with lungs

6. TADPOLE WITH LEGS
At eight weeks, the hind
legs form

7. At 12 weeks, the front legs form,
the tail shrinks, and the froglet can
leave the water
FROGLET

8. ADULT FROG
The frog´s tail is totally
absorbed by its body, and the
frog lives on land

9. CHARACTERISTICS
• They have webbed feet that help
them swim
• They have strong back legs for
jumping
• Their moist skin stops them from
drying out

10. Frogs use colors to camouflage
them from predators

11. Some frogs have brightly
coloured markings and skin to
frighten predators

12. CURIOSITY
Arrowhead Frogs
are one
of the most
poisonous species