19.1 The Fossil Record
Fossils and Ancient Life
For Questions 13, complete each statement by writing the correct word or words.
1. Species that died out are said to be
2. Most fossils are found in layers of
3. Scientists who study
5.1 How Populations Grow
List the characteristics used to describe a population.
Identify factors that affect population growth.
Describe exponential growth.
Describe logistic growth.
CHAPTER 18 STUDY GUIDE - CLASSIFICATION
18.1 Finding Order in Diversity
Assigning Scientific Names To study Earths great diversity of organisms,
biologists must give each organism a name. Biologists also must organize living