What does LEO stand for ??

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

What is the name for a substance formed in a chemical reaction

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.