Is this concept right? (If you put biofilm in your body, it will be like germ resistance. Bacteria that can produce biofilm stay on your skin all the time and protect it from harmful bacteria.) Note: The information is collected from ‘‘CAMPBELL BIOLOGY’’

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

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.

oxygen +1 most likely