What is the base word in supervisor?

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

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi