How does the tar from cigarette smoking disrupt oxygen distribution to the cells?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?