Which tiny, round “factory” puts together protein and is often found in the endoplasmic reticulum? a. chromosome b. chloroplast c. golgi body d. ribosome

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

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