Seagrasses are the only flowering plants which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families, all in the order Alismatales. Seagrasses evolved from terrestrial plants which recolonised the ocean 70 to 100 million years ago.
日月如春秋 何时海苍老? 好对!何日海生草?信不信由你,还真的有海草。~~~
所有跟帖:
•
哈哈哈,六龙兄,我如何不信。新年快乐。
-苏牧-
♂
(0 bytes)
()
12/31/2024 postreply
15:45:33