Lead enters the atmosphere as a particulate pollutant. this is a problem because it select one:

a. is a precious metal, and it is being lost to the atmosphere

b. will cause the ozone hole to increase

c. causes central nervous system damage in humans

d. can become attached to radon

e. provides excess nutrients to waterways, resulting in eutrophication

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