What human actions decrease the biodiversity of ecosystems?

Energy derived from hot rocks and fluids beneath the earth’s surface is

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 organ systems are working to you cool down after a workout?