и xP(gun)W(xu)ČI(y)~R
biologyW(xu)
biologistW(xu)
marine biologyW(xu)
entomologyxW(xu)
ornithologyBW(xu)
geneticszW(xu)
speciologyNW(xu)
parasitologyxW(xu)
dinosaur
die out/extinction^
microbiologyW(xu)
paleontologyW(xu)
paleontologistW(xu)
mammal(dng)
barnacleOZ
underwaterˮµ
marine
scubaˮº
divingˮ/ˮ
one-celled organismμ(x)ЙC(j)w()
jellyfishˮĸ
tissue((dng)ֲ:(x))M
protective camouflageo(h)ɫ
predatorC
oceanic snailţ
reproductive systemֳϵy(tng)
ingestionzʳ
digestion
digestive enzymeø
cell(x)
solitary(d)
socialȺ
bio-diversity
metamorphosis׃B(ti)/׃
animal adaptation(dng)m(yng)
wild environmentҰh(hun)
owl؈^
insecticidex
и xP(gun)W(xu)ČI(y)~RP(gun)£
̘I(y)и xI(y)~R09-04
̘I(y)и xֲW(xu)I(y)~R09-07
W(xu)̘I(y)и xI(y)~R09-04
̘I(y)и xI(y)ֲW(xu)~R09-07
иx~RxW(xu)09-04
P(gun)иx~R08-31
и ԇ~RQ08-19
У@(chng)и ~R10-01
и ԇ~R08-19