Geologists obtain indirect evidence about earth's interior by
a. measuring pressure differences at earth's surface.
b. estimating temperature inside earth.
c. directly looking under the many layers
d. recording and studying seismic waves.

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