protect fields from floods.
Answer:
Nucleus
Explanation:
Don’t worry sometimes you forget the most simplest things but you have people to help you so don’t be discoraged
Answer:
Unvaccinated person has naturally immune , cannot catched by this disease.
Explanation:
The white blood cells can recognise that these are not human protein . The invading or foreign protein is called an antigen . Antigen in the blood
starts the white cells making defence chemicals called antibodies. Some antibodies break up the antigens . This stops the antigen entering the body cells & makes it easier for the Phagocytes
to egulfs and digest antigens/pathogens & also
Lymphocytes produce antibodies to destroy pathogens.
Some bacteria produce toxins inside the body ,
Our white blood cells can also make antitoxins to
destroy the poison .
Antibodies and antitoxins help prevent microbes damaging the body . The help us fight off the. disease , giving us IMMUNITY to the disease.
Usee socratic the app trust me it’ll tell you i use it for all my hw and tests
Answer:
B and C
Explanation:
When the Amish came to their new home, they were founding a new colony. This is considered a founding effect.
Now, there is another thing to keep in mind, and that is that the Amish are very strict about their custom, for example, the idea of family and identity. This led them to form couples, only among the members who belonged to the community.
As generations go by, genealogical relationships between individuals in the population become closer. This causes some genes, by mere probability, to become fixed (i.e. they are the only ones left in the population). As a consequence of this, the frequency of rare genes increases (polydactyly). This evolutionary process is known as gene drift.
