Do ALL living things need oxygen? (Yes or No) If not, what organism(s) does not need oxygen?

ik this is a bad question but i literally dont know lol

What type of genetic drift would be simulated if all the beans that were not selected died out?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided