BLANK structures are fully functional, show evidence of a common ancestor, and may or may not the same function in different species.

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.

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Where in the cell are ribosomes made?