Explain briefly the nomadic life style​

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

The response is the basis for vaccination. primary secondary tertiary none of the above

Individuals do not compete directly for resources, but are prey for the same predator