Respiratory System Gas exchange. Why do we breathe? Think of all the reasons why we need a respiratory system. WORKTOGETHERWORKTOGETHER.
Urinary System Water control and nitrogen disposal.
Plant Reproduction. Is a seed alive? Is a fruit alive? Answer as completely as you can on your own paper. (Hang on to your paper until the end of class.)
Musculo-Skeletal System Muscles + Bones = Locomotion.
Digestive System Obtaining nutrients. Nutrition Energy Body cells need energy to run cell processes. Animals obtain chemical energy from food. Energy.
Human Interaction Chapter 12. “Sustainability” is a popular idea these days. What does “sustainability” in the ecosystem mean? What does “sustainability”
Energy Flow in the Life of a Cell. Which of these supplies our cells with energy for cell metabolism? caffeine sugar oxygen water carbon dioxide other.
Biodiversity Sections 18.4. 16.4, and 30.1. The word “diversity” is used in many contexts. What is “genetic diversity” within a species? What is meant.
Nervous System and Senses. Neural Activity The Neuron Which direction does a signal travel down a neuron? What do you think a “signal” is? How do you.
Enzymes A cell’s toolbox (Ch 6.4). Enzymes are: 1.Proteins 2.Carbohydrates 3.Lipids 4.Nucleic acids 5.Depends on the enzyme.
