两个英语句子求详细分析1.the fungus that ants cultivate was a single typ

1.（the fungus）（ that ants cultivate） （was）（ a single type ）（that they had
主语 定语从句 谓语 宾语 定语从句
propageted）,（essentially unchanged from the distant past）
表语
两个that都关系词引导定语从句
2.（when desert ants return from a foraging trip,）（ they ）（navigate）（ by integrating
时间状语 主语 谓语 方式状语
bearings and distances,）（ which they continuously update in their deads.）
非限制性定语
which引导非限制性定语,指代前面的内容.

1.the fungus that ants cultivate was a single type that they had propageted,essentially unchanged from the distant past
第一个that是定语从句做cultivate的宾语；第二个that是定语从句，做propageted的宾语成分。主句是.the fungus was a...

第一个句子，目测单词拼错了一个，应该是“unchanged”吧？
这个句子里有两个that，都是引导的定语从句。
主句是the fungus was a single type。that ants cultivate做的是fungus 的定语从句，而后面的that they had propageted,essentially unchanged from the distant ...