1. Introduction to Biology
Unit 1

2. Warm –up: What is Biology???
LIFE
STUDY OF
the study of life.

3. What makes something alive?
Grow & Develop
Respond to Stimuli
Need energy
Cells
DNA
Reproduce
Change over time (evolve)
Gas exchange
Homeostasis (maintaining a stable interal environment)

4. Scientific Method OBSERVATIONS & ID THE PROBLEM RESEARCH HYPOTHESIS
EXPERIMENT RECORD DATA
ANALYZE DATA & CONCLUSION
REPEAT EXPERIMENT TO VERIFY and REPORT RESULTS

5. Designing/Engineering a Lab
INDEPENDENT VARIABLE
DEPENDENT VARIABLE
QUANTITATIVE DATA
QUALITATIVE DATA
CONTROL
EXPERIMENTAL
CONSTANTS
STANDARDIZED

6. PRACTICE INDEPENDENT VARIABLE – TYPE OF FERTILIZER
DEPENDENT VARIABLE – GROWTH OF PLANT
CONTROL GROUP – PLANT WITHOUT FERTILIZER
EXPERIMENTAL GROUP – PLANTS WITH FERTILIZERS
CONSTANTS – SAME AMOUNT OF FERTILIZER, SAME TYPE OF PLANT, SAME AMOUNT OF WATER

7. ORGANIZING DATA X Y
LEGEND / KEY
TITLE
SCALE
EQUAL NO

8. GRAPH TITLE – The Effect of the I.V. on the D.V. Legend ------ - Group50 40 30 20 10
Legend
Group
Class
D.V. (units)
I.V. (units)

9. Breathing rate (per minute)
Use the information recorded in Data Table 1 to construct a LINE graph on the grid provided below. You should label each axis, mark an appropriate scale on each axis, plot the data, connect the points, and give your graph a title.
Data Table 1
Temperature (°C)
Breathing rate (per minute)
Guppies
Goldfish 10 15 8 25 13 18 30 20 38 23 60 40 57 43 27

10. Observations & Inferences

11. What is a theory???
HYPOTHESIS
THEORY
LAW
OBSERVATION
INFERENCE

12. Observations & Inferences

13. Graphing Warm-up: Given the information below make a line graph.
Plants are able to make their own food through a process called photosynthesis. One of the products of photosynthesis is oxygen. When plants are under water they release the oxygen in the form of gas bubbles. The more bubbles a plant produces, the more productive it is. The following data table shows a comparison of the number of bubbles produced between two different kinds of plants found in Lake Gaston. Data Table: Productivity of two plants found in Lake Gaston at various depth.
Depth in meters
Number of Bubbles per Minute: Plant A
Number of Bubbles per Minute: Plant B 2 29 21 10 45 40 16 32 50 25 20 34