Completar frases U6. Biology IIIVersión en línea Complete the following sentences with the correct word por Irene Caro 1 fish reptiles mammals birds amphibians are ectothermic vertebrates with smooth skin ( no hair or scales ) . they live on land and in wate r 2 substances friendly soft toxic cutaneous struggle 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 lungs teeths many amphibians have in their mout h 4 anckae tail some have a , which they use to swi m 5 leg tetrapods tail most amphibians are , although some don't have any 6 struggle cutaneous tetrapods : try very hard to do something difficul t 7 cutaneous struggle tetrapods : animals with four limbs 8 struggle cutaneous tetrapods : relating to the ski n 9 cutaneous larvae adult gills struggle nutrition . amphilibians breathe with lungs and amphibian breathe with . they also use respiratio n 10 herbivore adults carnivores larve nutrition . most amphibians are but their are usually 11 communicat cords sounds vocal interaction . some amphibians have that allow them to make to 12 asexually sexually fertilisitaion oviparou viviparous reproduction . amphibians usually reproduce using external and they're 13 lungs larvae adults struggle 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 .
Crear