Answer:
Homology is the relationship between structures or DNA derived from the most recent common ancestor. Although these two structures do not look similar or have the same function, genetically, they come from the same structure of the last common ancestor.
Explanation:
B, <span>a police officer who allows select people to enter and leave a crime scene. Please give brainliest.</span>
Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
THe population will become a separate species over time. This is speciation.
Answer:80
Explanation:
the answer is 80 because you just do 705-625= 80
