英文關鍵字
amphibian
animal
aquatic
baby
background
development
ecology
ecosystem
environment
generation
group
growth
habitat
lake
larva
larvae
life
little
lot
macro
many
marsh
mud
nature
new
offspring
pattern
plenty
polliwog
pollywog
pond
pool
population
puddle
reproduction
river
shallow
small
spawn
spring
summer
swarm
swim
tadpoles
tail
water
wild
wildlife
wriggle
young