Tiktaalik, extinct walking fish, evolution of four-legged animals
Schlüsselwörter
fish,
foot,
evolution,
animal,
walking,
life,
origin,
darwin,
extinct,
background,
swimming,
ocean,
water,
underwater,
fossil,
amphibian,
ancient,
creature,
extinction,
fin,
period,
paleontology,
species,
prehistoric,
history,
restoration,
sea,
nature,
education,
science
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