Fill in the Blanks U6. Biology IIIOnline version Complete the following sentences with the correct word by Irene Caro 1 fish amphibians reptiles mammals birds are ectothermic vertebrates with smooth skin ( no hair or scales ) . they live on land and in wate r 2 substances toxic cutaneous friendly struggle soft their skin is and moist with no protective covering so on land in hot weather they can dry out and to survive . some produce which they release through their skin g 3 teeths lungs many amphibians have in their mout h 4 anckae tail some have a , which they use to swi m 5 tetrapods tail leg most amphibians are , although some don't have any 6 tetrapods struggle cutaneous : try very hard to do something difficul t 7 struggle cutaneous tetrapods : animals with four limbs 8 cutaneous tetrapods struggle : relating to the ski n 9 struggle cutaneous gills larvae adult nutrition . amphilibians breathe with lungs and amphibian breathe with . they also use respiratio n 10 larve herbivore adults carnivores nutrition . most amphibians are but their are usually 11 sounds vocal cords communicat interaction . some amphibians have that allow them to make to 12 oviparou sexually asexually viviparous fertilisitaion reproduction . amphibians usually reproduce using external and they're 13 struggle adults larvae lungs gills metamorphosis to turn into adults , amphibians go through . adults lay eggs in water and larvae hatch . have teeth and a long tail , but no limbs . they breathe through . as larvae grow , they develop limbs and lungs so that they can live out of water . in some cases , they also lose their tail .
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