Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel
Mucus traps pathogens. Stomach acid kills pathogens
I’m so sorry i need points but hope someone answers
Answer:
as low as possible and using scanning objective (4x). ... then low power, you won't be able to focus anything under high power.
Answer:
True.
Explanation:
Genetic drift occurs when a species migrates into another one, therefore making a new variation of the species.