Test Review - Cells (Part 2): 1.Photosynthesis 2.Respiration 3.Specialized Cells 4.Levels of Organization

P-R “Quick Check” Photosynthesis Respiration Cell Part:

Chemical Equation for Photosynthesis carbon dioxide + water +  glucose + oxygen Photo = light Synthesis = combining parts to make something Photosynthesis = combining water and carbon dioxide (with the help of the sun) to make sugar! REACTANTSPRODUCTS

Chemical Equation for Respiration oxygen + glucose  carbon dioxide + water + ENERGY (ATP) Respiration = the process of breaking down glucose (in the presence of oxygen) to make ATP ENERGY! REACTANTS PRODUCTS

Some Examples of Specialized Cells What kind of cell is it? Red blood cell What is its function/job? Carry Oxygen (and CO 2 ) around the body Why do you think it looks the way it does? Round = doesn’t get stuck!

Some Examples of Specialized Cells What kind of cell is it? Nerve cell What is its function/job? Carry signals (messages) around the body Why do you think it looks the way it does? Long = signals go far away Branched = signals go to many cells at once

Some Examples of Specialized Cells What kind of cells are these? Skin cells What is its function/job? Protects our insides Why do you think it looks the way it does? Flat & Layered = keeps outside stuff from getting inside!

Look through pgs in your textbook. Put the following words in the correct order (place one in each circle): – Organs – Tissues – Organism – Cells – Organ systems

PICTURE DEFINITION The smallest basic unit of life. A group of organs working together A group of tissues working together Cells A group of cells working together A living thing (group of organ systems working together) TissuesOrgans Organ Systems Organism Heart & Vessels HeartHuman

Additional Study Questions 1.What is the main purpose of photosynthesis? 2.What type of cells do photosynthesis? 3.Where in the cell does photosynthesis happen? 4.What is the main purpose of respiration? 5.What type of cells do respiration? 6.Where in the cell does respiration take place? 7.**What is the relationship between photosynthesis and respiration? (Think about the P-R Cycle.) 8.Why are cells specialized? (Why don’t all cells look the same?) 9.Name a type of specialized cell and explain what it does. 10.Put the following terms in order from simple to complex: Tissues, Organism, Organ Systems, Cells, Organs

Review Summary: Copy the table below. Answer each of the questions using your notes and textbooks. QuestionAnswer Why don’t all cells look alike? How are these terms connected  tissues, cells, organism, organ systems, organs ? Show and explain the relationship/connection between photosynthesis and respiration.