"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
Answer:White blood cells, also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system.
Explanation:
D. membrane bounded organelles
1.
go for and then bring back (someone or something) for someone
2.
Achieve when sold
No because they would need to be a capital not lowercase and then that would turn out as the dominant trait i think
