Past climate changes led to extinction of many species, population migrations, and pronounced changes in the land surface and ocean circulation. The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt.
Because many living organisms begin in the womb similarly, showing that organisms have a common ancestor
What are the "following" I need to know the possible answers.
Answer:
because it is also created from the father not only one of them
It might be an astrocyte, but I'm not sure.