TY  - BOOK
AU  - Noonan,Diana
AU  - Johson,Sara
TI  - Eco-Predictions: Collecting Data 
T2  - Data Analysis and Probability
U1  - 550 23
PY  - 2009///]
CY  - Huntington Beach, CA : T
PB  - Teacher Created Materials, 
KW  - Ecology
KW  - Research
KW  - Juvenile literature
KW  - Graphic
KW  - Method
N1  - Includes index and answer key; Grades 4 to 6
N2  - Many ecosystems are in danger. When animals start dying in a certain ecosystem, the food chain is altered and more animals die. Things like pollution can also cause problems. To understand why a certain part of an ecosystem's population is dying, you have to collect data. When you collect data, you can make predictions and turn your predictions into solutions
ER  -