The best description of chromosomes by the end of metaphase 2 of meiosis is that they are lined up in the middle of the cell. You can help remember this by thinking of the "M" in metaphase as middle. this is because in this phase the chromosomes are lined up in the middle of the cell.
"B. organisms that use the same resource" is destined to cause the most competition between those organisms, since resources are scarce and almost always limited.
