Immunity

Question 1

active immunity

Answer 1

where your immune system makes its own antibodies after being stimulated by an antigen
it is long-lasting and active artificial immunity is becoming immune due to a vaccination

Question 2

passive immunity

Answer 2

being given antibodies made by a different organism so your immune system doesn’t produce antibodies on its own
only lasts for a short time
passive natural immunity would be a baby recieving maternal antibodies

Question 3

what do vaccines contain

Answer 3

• weakened viruses
• dead bacteria
• an antigen bearing fragment of the pathogen
  and causing the body to produce antibodies and memory cells

Question 4

what is horizontal evolution

Answer 4

where bacteria may copy a plasmid which offers antibiotic resistance and pass it on to an adjoining bacteria so it can now also be resident so DNA can be shared without reproduction