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Delfiner

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by

Tilda Sjögren

on 16 December 2015

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Transcript of Delfiner

Delfiner
Jakt
medveten och omedveten
pengar, livsmedel
fiskenät
Kommuntikation
Reproduktion
Bakgrund
klass: däggdjur
ordning: valar
familj: delfiner
levnadssätt: flock
200-300cm
150-250kg
lever ungefär 40 år
dräktig 1 år
15kg
1 meter
diar 2-4 år
digiva tar 7-15 sekunder
Anpassningar till liv i vatten
ekolod
strömlinjeformad kropp
hörsel
sträjtfena
blåshål
Delfinarium
stress
dör tidigt
fångsten
Full transcript