adaptation
alive
amazon
animal
aquarium
arrau sideneck turtle
arrau turtle
biodiversity
bolivia
brazil
colombia
defense
ecology
ectothermic
ecuador
egglaying
eukaryotic
evolution
freshwater
giant amazon river turtle
giant south american turtle
guyana
lake
living
lizard
multicellular
neck
orinoco
peru
podocnemis expansa
protection
reptile
river
shell
shield
south american river turtle
swim
turtle
venezuela
water