What does biodiversity refer to in an ecosystem

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 pattern of migration do whales follow?

Which of the following forest management practices is best for reestablishing areas of forest?