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Exploring Biology: The Study of Life and Living Organisms

Delve into the fascinating world of biology, where you'll learn about the characteristics of living things, branches of biology, and the metric system. Discover how cells, DNA, reproduction, metabolism, and evolution work, and explore topics like ecology and microbiology. Gain insights into the essential role of biology in understanding life on Earth.

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Exploring Biology: The Study of Life and Living Organisms

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Presentation Transcript

  1. Section 1-3Studying Life Biology Flora

  2. Biology • Biology – the study of life • Branches of biology include: • Zoology – study of animals • Botany – study of plants • Microbiology – study of microorganisms • Cell Biology – study of cells • Ecology – study of ecosystems

  3. Characteristics of Living Things(8) • Living things are composed of cells • Cells – basic unit of life • Living things reproduce • Cells can produce through asexual or sexual reproduction • Sexual reproduction – cells from two different parents unite to produce the first cell of the new organism • Asexual reproduction – process by which an organism reproduces by itself

  4. Characteristics of Living Things Cont. • Living things contain DNA and use the same genetic code • Living things grow and develop • Cells divide through a process called mitosis which makes more cells • Living things must obtain energy and molecules • Metabolism – chemical reactions in which organisms build up or break down materials as it carries out life processes.

  5. Characteristics of Living Things Cont. • Living things respond to their environment • Stimulus – a signal to which an organism responds • Living things maintain a stable environment • Homeostasis – maintaining a stable environment • Living things change over time • Age • Evolve

  6. Metric System • Basic Units: • Mass – gram • Volume – liter • Length – meter • Temperature – centigrade

  7. Other Topics • Dimensional analysis/conversion facts • Using metric system • Microscopy • Parts of microscope • Using a compound light microscope • Calculating magnification

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