来自MSN9 天
Life Cycle of Diphyllobothrium Latum (1950)
The film discusses the life cycle of the tapeworm Diphyllobothrium latum, affecting nearly 10 million people primarily in ...
BBC4 年
KS2 / KS3 Science: The life cycles of different organisms
Life cycles are as varied and diverse as life on ... They don't look like much, perhaps you might think they are small fish, but they are about to go through an amazing transformation.