Unit # 3 Characteristics of Life

  • Unit: Characteristics of Life (Major Concepts)


    • All living things are made of Cells, the building blocks of living things.

    • All Cells have a Cell Membrane, DNA or RNA, Cytoplasm and and other Organelles.

    • Prokaryotic vs Eukaryotic Cells

    • Unicellular vs Multicellular

    • "Life comes from life!"

    • Size of a cell = diameter of the field of view (mm) / estimated number of specimens that could fit across the diameter of the field of view

    • Plant cells vs. Animal Cells

    • Asexual vs Sexual Reproduction

    • Growth and Development

    • Stimulus and Response

    • Energy: ingestion, digestion, respiration, excretion. Photosynthesis

    • External vs Internal vs Cellular Respiration

    • Cellular Respiration is the process by which Mitochondria use Oxygen to help get the ENERGY out of food molecules.

    • Food is used for energy and raw materials for cellular growth and repair and the production of proteins.

    • Nutrients include proteins, carbohydrates, and lipids.

    • Homeostasis (regulation, dynamic equilibrium, etc.) refers to stable body conditions.

    • Metabolism is the sum of all the chemical reactions occurring in the body.

    For your quiz on cells, do these 3 review activities
    3.) Jeopardy: Cells (see the file below)


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