Why do doctors check for swollen lymph nodes?
A. Lymph nodes are the site of white blood cell production.
B. Memory cells are stored in the lymph nodes.

c. It is impossible to immunize the lymph nodes.
D. Bacteria and viruses mostly attack the lymph nodes.

What was the land like over 500 million years ago? what was under the sea?

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

Which benefit of the community experience when its members have a hide level of health literacy