Chapter+9+Study+Guide

What is Living Study Guide
What you need to know....

What are the six characteristics of living things? What is a cell? What is a stimulus? Give some examples of stimuli and responses. What is homeostatsis? Give some examples of how animals (including humans) maintain homeostasis. What is metablolism? List three examples of why living things need energy. What is the function (job/role) of DNA? What is heredity? What is the difference between sexual and asexual reproduction? What is the difference between growing and developing? What four things do all living things need? What percentage of the human body is water? Why do living things need water? What gases are found in air? Why is oxygen important to some living things? Why is carbon dioxide important to some living things? What must a place to live provide for living things? What happens when space is limited? What is the difference between producers, consumers and decomposers? What is food (what is all food made of)? What must all food provide? What are the six main elements found in molecules in living things? What are the five molecules living things must have? What are proteins made of? Why are proteins important? What are carbohydrates made of? Why are carbohydrates important? What are lipids (what are the two main types)? Why are lipids important? What is ATP? Why is ATP important? What are nucleic acids? Why are nucleic acids important?