which of these is the most fit? a. a 5,000-year-old bristlecone pine tree that produced 1 offspring every 100 years b. a 5,000-year-old bristlecone pine tree that produced 3 offspring every 100 years c. a 3,000-year-old bristlecone pine tree that produced 100 offspring every 100 years d. a 2,000-year-old bristlecone pine tree that produced 100 offspring every 10 years e. a 500-year-old bristlecone pine tree that produced 100 offspring every year