Questions with the keyword 'extinct'

• In nature, the top predator almost always kills itself out. Do you think this is how the human race will end? by elhermano to David, Luna, Mark, Melanie, ProbashCategory: About Comments: (so far, 2s comments )
• Do you think that there will be another Mass Extinction, like the 65 million years ago? by lauramaacd and 1 other. to David, Luna, Mark, Melanie, ProbashCategory: General Comments: (No comments so far )
• how did the dinosaurs die out?? by nemoanddory to David, Luna, Mark, Melanie, ProbashCategory: General Comments: (So far, one comment )