living things are both similar to and different from each other and from nonliving things
TRANSCRIPT
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Comparing LifeLiving things are both similar to and different from each other and from nonliving things.
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Objective
1. Compare and contrast the parts of plants, animals, and one-celled organisms.
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Cells
• Living things are composed of cells
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Cells
Muscle Cells• Cells provide structure
and carry on major functions to sustain life.
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Cells
Heart Muscle Cells• Cells provide structure
and carry on major functions to sustain life.
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Cells
Red and White Blood Cells
• Cells provide structure and carry on major functions to sustain life.
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Cells
• Cells are usually microscopic in size.
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Cells
• cells function similarly in all living things
Strep bacteria
Onion plant
Chimpanzee
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Cell Division
• Cells grow and divide, producing more cells.
E. Coli bacteria dividing
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Cell Division
• Cells grow and divide, producing more cells.
Paramecium dividing
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Cell Division
• Cells grow and divide, producing more cells.
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Cell Division
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Cells take in nutrients
• Cells use nutrients to • provide energy for the work that cells do
• to make the materials that a cell or an organism needs.
Photosynthesis
Cell Respiration
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Cells take in nutrients
• to make the materials that a cell or an organism needs.
Photosynthesis
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Cells take in nutrients
• to make the materials that a cell or an organism needs.
Photosynthesis
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Cells take in nutrients• To provide energy for the work that cells do
Cell Respiration
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Basic Cell Structure
• Most cells have cell membranes, genetic material, and cytoplasm.
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Even bacteria!
bacterial chromosome
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Structures Unique to Plant Cells
• Some cells have a cell wall and/or chloroplasts.
Elodea
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Structures Unique to Plant Cells
• Some cells have a cell wall and/or chloroplasts.
Cell Wall
Chloroplast
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The Nucleus
• Many cells have a nucleus.
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Unicellular Organisms• Some organisms
are single cells
Amoeba
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Unicellular Organisms• Some organisms
are single cells
Paramecium
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Unicellular Organisms• Some organisms
are single cells
Euglena
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Multicellular Organisms
• Some organisms are made up of many cells
Homo sapiens
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Multicellular Organisms
• Some organisms are made up of many cells
Hydra
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Multicellular Organisms
• Some organisms are made up of many cells
Oak Tree
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Multicellular Organisms
• Some organisms are made up of many cells
Daphnia
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Levels of Organization
• Cells are organized for more effective functioning in multicellular organisms.
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Levels of Organization
.
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Levels of Organization
OrganTissueCell Organ System
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Plants
• Many plants have roots, stems, leaves, and reproductive structures.
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Plants
• These organized groups of tissues are responsible for a plant’s life activities.
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Multicellular Organism
• Animals have similar organs and specialized systems for carrying out major life activities.
Human Cardiovascular
System
Pig Cardiovascular
System
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Digestive Systems
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Classification
• Living things are classified by shared characteristics on the cellular and organism level.
Bacteria Cells with a Nucleus
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Classification
• In classifying organisms, biologists consider details of internal and external structures.
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Classification
• Biological classification systems are arranged from general (kingdom) to specific (species).
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Classification
• Biological classification systems are arranged from general (kingdom) to specific (species).
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Classification
• Biological classification systems are arranged from general (kingdom) to specific (species).
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