更多vertebrated例句

1. The class Mammalia is scientifically defined as “all animals which have a vertebrated skeleton and suckle their young.”
2. In some fishes with vertebrated tail fins the fin is symmetric (Fig. 300), and this seems to be the primitive type.
3. This membrane is, we are told, common to all vertebrated animals, but is especially beautiful and lustrous in nocturnal animals.
4. Can the organisation of vertebrated animals be referred to one uniform type?
5. The water-population of vertebrated animals first appears in the Upper Silurian.