Geogloy questions about timeline please help Please provide short answer if it i

Question

Geogloy questions about timeline please help

Please provide short answer if it is possible thanks!

Please answer the following questions: A. Explain what might happen if one was to go back in time to the lower Precambrian and prevent photosynthesis from evolving? B. There is a lot of empty space on the timeline. Generally speaking, what is happening during these empty spaces? C. Using data from your timeline, comment on this statement: “A long time ago humans had to fight off marauding dinosaurs." D. If humanity finds an Earth-like planet around a Sun-like star, which is 109 years old, should we expect to find intelligent life? Why or why not?

Explanation / Answer

A) The Food Chain of all living being rely on photosynthesis, if there was no photosynthesis plants and animals likely could not exist. It is possible that some very basic organism could still exist like the deep sea vent bacteria that don't get their energy from the sun.

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