3. Which of the following describes the main advantages of sexual reproduction? a. requires lots of timelenergy b. no new gene combos can arise c. diversity d. looks identical to the parent 4. A general name for a sex cell (egg or sperm) is a: a. zygote b. gene c. offspring d. gamete 5. Which reproduction requires a mate? a. asexual b. sexual c. neither d. both asexual and sexual