一些英语问题判断和填空
1.Animaisdifferintheireatinghabits,bodyshapeandsizes.()
2.Invertebratesareanimalswithbackbones.()
3.Sharksarecold-bloodedanimals.()
4.Insectsdonothavebones.()
5.Snakearevertebratesbecausetheyhavebackbones.()