10 pts Explain how the simultaneous coevolution of Earth's systems and life on Earth happens and provide
evidence with your explanation.
PLZ HELP:(

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

What is the correct trna sequence that would match the following mrna sequence.gcgaua

Which characteristics are typical of a human population in the postindustrial stage?