Which of the following must be true to consider something to be alive ? a. it must be able to replicate its dna b. it must be able to response to light c. it must be able to covert energy from one form to another d. it must be to move

a community that experiences major changes undergoes progress

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.