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Biology Chapter 1 Notes

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Chapter 1 – Invitation to Biology Name Bassam Farid Define BIOLOGY-- The study of life and living organisms
Describe 3 Similar Characteristics of Living Organisms
1. Continual inputs of energy and the cycling of materials maintain life’s complex organization 2. Organisms sense and respond to change 3. DNA inherited from parents is the basis of growth and reproduction in all organisms
List levels of Life’s organization from smallest to largest.Atom.molecule,cell,organism
Understand interactions between producers, consumers, decomposers
Energy comes from Nutrients and raw material from environment, and photosynthesis . List 3 important functions of DNA.
1. Grow 2. Develop 3.Reproduce
Key Terms: emergent properties energy homeostasis mutation adaptive trait nature natural selection evolution Know the 3 Domains of Life for classification | | | 1.bacteria,archaea,eukaryotes | | | Compare prokaryotes versus eukaryotes--Prokaryotes one celled and Eukaryotes multicellularsdsdsdsdsdsdsPrrrsdsProkaryotes one celled and Eukaryotes multicellularProkaryotes one celled and Eukaryotes multicellularProkaryotes one celled and Eukaryotes multicellular | | | List 4 categories of eukaryotes | | | 1.Animals 2.Plants | | 3.protists | 4.fungi | Explain Unity of Life-Information encoded in DNA is the basis of traits an organism shares with others of its species | | | | Explain Diversity of Life-(changes is DNA sequence) are the original source of variation in traits | | | | List 7 steps of common research practices (scientific method) in proper order. |

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