I believe it should be 1. Hope this helps.
What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.
I dont think i'm answering your question, but the sun turns into a red giant, and the more it gets bigger it gets, the more closer it is to the planets. Then eats up the the planets later on, and explodes. Dont know if im correct tho sorry
Because it can eat primary consumers and secondary consumers both. Veggie eaters and meat eaters
