1 prokaryotic- a cell that lacks a nucleus and membrane-bound organel
2 eukaryotic-a cell that has a nucleus
3. Cell theory the theory that states that the cell is the basic unit of life and that cells come only from existing cells
4 cell - the basic unit of life
Change in gene frequency of ancient cockroaches led to the evolution of modern cockroaches.
It would be taking animals homes and if they don't have a home they could die. Also it could generally mess up their way of living and some would have to adjust to a new life style. I hope this helped <3
Antigens are proteins that are found on the surface of the pathogen and are viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles. Antigens are usually carried by proteins and polysaccharides, and less frequently, lipids but it also needs to be attached to a large carrier molecule which is usually a protein. When an antigen enters the body, the immune system produces antibodies against it. The Antigen stimulates the immune system to produce antibodies. YOUR WELCOME ;)
Answer:
The answer is between a or b
but I strongly suggest the option a.
Evolution is the answer
