You must read and compare information to determine if it is true or false...
Use the CRAAP Test method of evaluation to check sources for currency, relevance, authority, accuracy, and purpose.
Use the CRAAP Test to decide if your group's web source about banana extinction is crappy or not!
Group 1: "Why bananas as we know them might go extinct (again)," CNN
Group 2: "Good news: Bananas aren’t going extinct. Bad news: They are in trouble," Grist
Group 3: "Scientists warn Cavendish bananas could go EXTINCT as 'catastrophic' fungal disease is about to wipe out the world's most popular type of fruit," Daily Mail
Group 4: "Bananas Are Facing Extinction – And It's All Our Fault," Huffington Post