[キャンベル生物学 第749页] Campbell Biology 12th Edition
Gastropods About three-quarters of all living species of molluscs are gastropods Figure 33.17 . Most gastropods are marine, but there are also freshwater specie
Gastropods About three-quarters of all living species of molluscs are gastropods Figure 33.17 . Most gastropods are marine, but there are also freshwater specie