The introductory paragraph.
Maybe by making a schedule
D similarities and differences between two or more things
Directed panspermia is a speculative hypothesis about the origin of life on Earth. This hypothesis is a very specific sub-division of a broad group of related ideas. “Exogenesis” is a term referring to the general hypothesis that earth life originated somewhere other than Earth, such as another planet.
Answer: are there any pics to see what answers that need to be picked?
Explanation: