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Exploring Biology: From Atoms to Organisms

Delve into the intricate web of life, starting with atoms and branching out to organisms. Understand the hierarchy of biological structures, the significance of cells, DNA continuity, and the regulatory mechanisms that maintain balance in the living world. Learn about evolution as a core theme in biology and the scientific process driving advancement in technology. Discover how biological systems utilize energy for growth, reproduction, and homeostasis.

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Exploring Biology: From Atoms to Organisms

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  1. Mr. Traylor Semester 1-APBiology

  2. Chapter 1 EXPLAIN Objective: Explain the overall goals of Chapter one’s coverage of biology. Why? Atoms-SPONCH to all life forms Detailed connections Life is connected from atoms to the connectivity of the biosphere.

  3. Chapter 1AP Subject Question • Cell>tissue>organ> organ systems> organisms. • This increase in complexity is shared by all organisms • Emergent properties occur-(something new!) • ONLY one energy source • Bacteria are very simple organisms without membrane bound organelles ! A. The living world’s hierarchy and biological structures

  4. Chapter 1 B. Prokaryote VS Eukaryote EXPLAIN All organisms are composed of cells Robert Hooke-1st named & described cells-using compound microscope Leeuwenhoek-discovered single celled organisms.

  5. Chapter 1 C. Continuity of Life DNA allows ALL life to continue. Each DNA is composed of nucleotides A-T/G-C

  6. Chapter 1 D. Organisms interact w/in open environments E. Regulatory Mechanisms maintain balance Sunlight >Producers-photosynthesize making Chemical energy which is used by consumers & eventually lost as heat and waste. Regulation of chemical reactions w/in cells centers on protein molecules called enzymes. Negative and positive feedback mech. Help maintain a balance or homeostasis.

  7. Chapter 1Charles Darwin and Evolution G. Evolution one of the core themes for biology EXPLAIN • Natural selection does not create adaptations, rather it screens heritable traits.- what does this statement mean?

  8. Chapter 1 Scientific Process Science and Technology EXPLAIN Deductive reasoning goes from general to specific. Most scientific observations are made through deduction. Science is advanced w/technology. Tech. Is improved w/science They can help us or do harm. Biology is multidisciplinary science. Systems biology- are designed to make model of the behavior of the entire biological system.

  9. Big Idea 2: • Biological systems utilize free energy and molecular building blocks to grow, to reproduce and to maintain dynamic homeostasis. • Enduring understanding 2.A: • Growth, reproduction and maintenance of the organization of living systemsrequire free energy and matter.

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