the BIG idea CHAPTER OUTLINE NEW CHAPTER The Cell CHAPTER All living things are made up of cells. The cell is the basic unit of living things. 1.1 Microscopes allow us to see inside the cell. 1.2 Cells can perform specialized functions. 1.3 CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME multicellular microscope unicellular The cell is the basic unit of living things. 1.1 SECTION OUTLINE SECTION OUTLINE cell theory bacteria CHAPTER RESOURCES CHAPTER RESOURCES CALIFORNIA Content Standards 7.1.a Students know cells function similarly in all living organisms. 7.1.f Students know that as multicellular organisms develop, their cells differentiate.

VOCABULARY KEY CONCEPT CHAPTER HOME multicellular microscope unicellular The cell is the basic unit of living things. 1.1 SECTION OUTLINE SECTION OUTLINE cell theory bacteria All living things are made up of one or more cells. Organisms share the following characteristics: organization ability to respond ability to grow and develop ability to reproduce Multicellular organisms include this frog and these water-lily plants. Many unicellular organisms live in pond water. CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A term used to describe an organism that is made up of a single cell. unicellular 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The cell is the basic unit of living things. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME A term used to describe an organism that is made up of many cells. multicellular 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The cell is the basic unit of living things. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME An instrument that uses glass lenses to magnify an object. microscope 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The cell is the basic unit of living things. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME Theory that every living thing is made of one or more cells; cells carry out the functions needed to support life; and cells com from other living cells. cell theory 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The cell is the basic unit of living things. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME A large group of one-celled organisms that sometimes cause disease. Bacteria is a plural word; the singular is bacterium. bacteria 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The cell is the basic unit of living things. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME cytoplasm nucleus cell membrane Microscopes allow us to see inside the cell. 1.2 SECTION OUTLINE SECTION OUTLINE eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES CALIFORNIA Content Standards 7.1.b Students know the characteristics that distinguish plant cells from animal cells, including chloroplasts and cell walls. 7.1.c Students know the nucleus is the repository for genetic information in plant and animal cells. 7.1.d Students know that mitochondria liberate energy for the work that cells do and that chloroplasts capture sunlight energy for photosynthesis.

VOCABULARY KEY CONCEPT CHAPTER HOME cytoplasm nucleus cell membrane Microscopes allow us to see inside the cell. 1.2 SECTION OUTLINE SECTION OUTLINE eukaryotic cell prokaryotic cell A prokaryotic cell is relatively simple in structure, with no nucleus or other organelles. organelle cell wall chloroplast mitochondria A bacterium consists of a single prokaryotic cell. SIMULATION View cells through different types of microscopes. CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Microscopes allow us to see inside the cell. 1.2 SECTION OUTLINE SECTION OUTLINE A prokaryotic cell is relatively simple in structure, with no nucleus or other organelles. A eukaryotic cell is more complex, with many different organelles inside it. Plants and animals are made up of many eukaryotic cells. plant cellanimal cell cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Microscopes allow us to see inside the cell. 1.2 SECTION OUTLINE SECTION OUTLINE A prokaryotic cell is relatively simple in structure, with no nucleus or other organelles. A eukaryotic cell is more complex, with many different organelles inside it. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES SIMULATION Take a virtual tour of a cell.

VOCABULARY KEY CONCEPT CHAPTER HOME The outer boundary of the cytoplasm, a layer that controls what enters or leaves the cell; a protective covering enclosing an entire cell. cell membrane 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A thick, gelatin-like material contained within the cell membrane. Most of the work of the cell is carried out in the cytoplasm. cytoplasm 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The structure in a eukaryotic cell that contains the genetic material a cell needs to reproduce and function. nucleus 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A cell in which the genetic material is enclosed within a nucleus, surrounded by its own membrane. eukaryotic cell 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A cell that lacks a nucleus and other organelles, with DNA that is not organized into chromosomes. prokaryotic cell 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A structure in a cell that is enclosed by a membrane and that performs a particular function. organelle 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A protective outer covering that lies just outside the cell membrane of plant cells. cell wall 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME An organelle in a plant cell that contains chlorophyll, a chemical that uses the energy from sunlight to make sugar. chloroplast 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Organelles that release energy by using oxygen to break down sugars. mitochondria 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Microscopes allow us to see inside the cell. cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Cells can perform specialized functions. 1.3 SECTION OUTLINE SECTION OUTLINE specialization tissue organ CHAPTER RESOURCES CHAPTER RESOURCES CALIFORNIA Content Standards 7.1.f Students know that as multicellular organisms develop, their cells differentiate. 7.5.a Students know plants and animals have levels of organization for structure and function, including cells, tissues, organs, organ systems, and the whole organism. 7.5.b Students know organ systems function because of the contributions of individual organs, tissues, and cells. The failure of any part can affect the entire system.

VOCABULARY KEY CONCEPT CHAPTER HOME archaea Cells can perform specialized functions. 1.3 SECTION OUTLINE SECTION OUTLINE The single cell of a unicellular organism does all that is necessary for the organism to survive. A multicellular organism is a community of specialized cells. Scientific models make it easier to understand cells. specialization tissue organ The tarsier has many levels of organization in its body. CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The specific organization of a cell and its structure that allows it to perform a specific function. specialization 1.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Cells can perform specialized functions. specialization tissue organ CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A group of similar cells that are organized to do a specific job. tissue 1.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Cells can perform specialized functions. specialization tissue organ CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A structure in a plant or an animal that is made up of different tissues working together to perform a particular function. organ 1.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Cells can perform specialized functions. specialization tissue organ CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME I. The cell is the basic unit of living things. A. Living things are different from nonliving things. B. All living things are made of cells. 1. Louis Pasteur 2. The Source of Bacteria 1.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY 1. Characteristics of Life 2. Needs of Life The cell is the basic unit of living things. C. The microscope led to the discovery of cells. D. Cells come from other cells. E. The cell theory is important to the study of biology. CHAPTER RESOURCES CHAPTER RESOURCES multicellular microscope unicellular cell theory bacteria

VOCABULARY KEY CONCEPT CHAPTER HOME II. Microscopes allow us to see inside the cell. 1.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY A. The microscope is an important tool. 1. Structures That Process Information 2. Organelles That Provide Energy 3. Organelles That Process and Transport B. Cells are diverse. Microscopes allow us to see inside the cell. C. Plants and animals have eukaryotic cells. 4. Organelles for Storage, Recycling, and Waste cytoplasm nucleus cell membrane eukaryotic cell prokaryotic cell organelle cell wall chloroplast mitochondria CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME III. Cells can perform specialized functions. A. Organisms can be classified by their cell type. B. Cells in multicellular organisms specialize. 1.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Cells can perform specialized functions. 1. Archaea and Bacteria 2. Eukarya specialization tissue organ C. A multicellular organism is a community of cells. D. Scientists use models to study cells. CHAPTER RESOURCES CHAPTER RESOURCES

CHAPTER HOME Image Gallery Click on the icons to see a larger image or animation. SIMULATION View cells through different types of microscopes. SIMULATION Take a virtual tour of a cell.

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY plant cellanimal cell

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY archaea

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

Chapter Resources CHAPTER HOME BACK TO CHAPTER Content Review Review key concepts and vocabulary Math Tutorial Review math concepts Resource Center Get more information on select science topics Standardized Test Practice Practice state standardized tests Animations Link to all the McDougal Littell Science animations Review Game Play a fun interactive review game Audio Readings Hear chapter audio readings Image Gallery Click here to review chapter images and animations Click on the items below to access resources on CLASSZONE.COM

BACK TO CHAPTER Content Review Review key concepts and vocabulary Math Tutorial Review math concepts Resource Center Get more information on select science topics Standardized Test Practice Practice state standardized tests Animations Link to all the McDougal Littell Science animations Review Game Play a fun interactive review game Audio Readings Hear chapter audio readings Image Gallery Click here to review chapter images and animations Click on the items below to access resources on CLASSZONE.COM Chapter Resources CHAPTER HOME