CHEMISTRY OF LIFE
Elements: simplest form of a
substance - cannot be broken down
any further without changing what it is
Atom: the actual basic unit - composed
of protons, neutrons, and electrons
Just like cells are the basic u
scientific study of how living
things are classified
Why do Scientists Classify?
Almost 2 million kinds of organisms on
Need to keep organized! (Easier to
process of grouping things b
What is the biological significance of mass extinctions?
Evidence suggests that five mass extinctions have occurred throughout the history of the Earththe
most famous of which led to the extinction of the dinosaurs. Scientists are st
- understanding how the
chemicals of life (Organic
Compounds) work within an
organism to sustain life!
Living things use carbohydrates to make
ENERGY! (Cellular Respiration)
Plants use carbohydrates for structure
Chapter 9 Part 1
The Aftermath of the Revolution
The Articles of Confederation
Politics and Power
The Pursuit of Equality
Why did calls for increased democracy and abolition of slavery grow during this time? Why
were gains in these ar
AP Biology Lab 9A Alternative Version: Whole Plant Transpiration.
Minimum 16 Bedding plants (Marigolds, Petunias, or any that are inexpensive
Heat sink: Large Ehrlenmeyer Flask or Bea
The scientific method is an
organized way to solve a
Steps of the Scientific Method
1. State the problem
Formulate a question that needs to be solved.
2. Propose a hypothesis
A hypothesis is an educated guess about what the
Study Guide: Raven Chapters 53, 54, 55
1. What is ecology?
2. Define and differentiate the terms population, community, and ecosystem.
3. Describe how populations vary in density, dispersion.
4. Explain the factors (sex ratio, generation time, age
Characteristics of Living
All Living Things are Known as
Living creatures are
At the simplest level,
organisms are all
made of similar