Life on Planet earth notes for week 1
Life on Planet earth notes for week 1 BSCI - 10002 - 002
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This 2 page Class Notes was uploaded by Katelyn Rinella on Wednesday January 20, 2016. The Class Notes belongs to BSCI - 10002 - 002 at Kent State University taught by Walter R Hoeh (P) in Fall 2015. Since its upload, it has received 134 views. For similar materials see LIFE ON PLANET EARTH in Biological Sciences at Kent State University.
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Date Created: 01/20/16
LOPE Notes 1/21/16 Biology- the scientific study of life The study of biology encompasses - A wide scale of size - A huge variety of life, both past and present Properties of life - Order: (entropy= disorder) - Regulates: (Ex. body tempter) - Growth and development: (10 trillion cells in an adult human) - Energy process: (energy is contain in the molecules in our food) - Response to the environment: (Ex. pulling your hand away from something hot) - Reproduction: (all lifeforms reproduce in some way) - Evolution: (scientific reality) Hierarchical nature 1. Biosphere (all life occurs here) 2. Ecosystems 3. Communities 4. Populations 5. Organisms 6. Organ systems and organs 7. Tissues 8. Cells 9. Organelles 10.Molecules and atoms Biosphere- the entire portion of earth inhabited by life Ecosystems- a biological community of interacting organisms and their physical environment Community-a group of interdependent organisms growing or living together in a specified habitat Population-all the inhabitants of a particular town, area, or country Organisms- an individual living thing Organ system/organ- collection of tissues joined in a structural unit to serve a common function Tissues- a group similar cells that carry out a specific function Cells- basic structural functional and biological unit of all know living organisms (Smallest unit of life) Organelle- any of a number of organized or specialized structures within a living cell. Molecule- a group of atoms bonded together Atom- the basic unit of a chemical element. The structure of DNA: nucleotides - DNA is composed of nucleotides - Made up of sugar, base, phosphates
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