Human Biology exam 1 with accurate detailed answers || || || || || || ||
biology - ✔✔is the study of life
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what is life? - ✔✔1. living things contain nucleic acid, protiens, carbohydrates, and lipds
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2. living things are composed of cells
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3. Living things grow and reproduce
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4. Living things use energy and raw materials
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5. Respond to their environment
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6. maintains homeostasis
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7. adaptive traits
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what are humans made of? - ✔✔1. molecules
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2. Cell
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3. Tissue
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4. Organ
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5. organ systems
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6. individual
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7. population
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Where do humans fit in the overal scheme of life? - ✔✔Eukarys
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Animals ||
Invertabrates and vertabraes || ||
Community - ✔✔All the species in an ecosystem that can interact
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,2
Ecosystem - ✔✔A community and its physical environment
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Biosphere - ✔✔The part of the eart that supports life
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Critical thinking involves - ✔✔inductive reasoning
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deductive reasoning ||
inductive reasoning - ✔✔individual facts lead to a general conclusion
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deductive reasoning - ✔✔a general statement leads logically to a specific conclusion, "if,
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then"
Human Science involves - ✔✔clinical trials
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epidemiological studies ||
Clinical trials - ✔✔Use human volunteers after successful, safe initial animal studies
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- 3 phases: with increasing numbers before FDA approval
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- gold standard
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Epidemiological - ✔✔Observe patterns that occur in large populations || || || || || || || ||
Gold Standards - ✔✔double blind placebo-controlled studies
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How to tell the difference between psuedoscience and science - ✔✔Is the information
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consistent with information from other credible sources?
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How reliable is the source of the information?
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Were proper scientific procedures employed?
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Were experimental results properly interpreted? (+ check the methods!)
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Are there any other possible explanations for the results?
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Chemistry - ✔✔is the basis || || || || ||
of matter
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and life (Biology!)
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Matter - ✔✔takes up space and has mass
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Atoms - ✔✔units of matter || || || || ||
cannot be broken into smaller substances by ordinary chemical means
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made of protons, neutrons, electrons
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Element - ✔✔pure form of matter with only one kind of atom
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Isotopes - ✔✔atoms with the same number of protons (and electrons) but different number
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of neutrons
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Radioisotopes - ✔✔are unstable and emit particles or energy || || || || || || || ||
Ion - ✔✔an atom that has gained or lost electrons; has a + or - charge
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Molecule - ✔✔two or more atoms that join together by chemical bonds
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