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Human Biology exam 1 questions with 100% correct answers
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Human Biology exam 1 questions with 100% correct answers
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Human Biology exam 1biology - correct answer ✔✔is the study of life
what is life? - correct answer ✔✔1. living things contain nucleic acid, proteins, carbohydrates, and lipids
2. living things are composed of cells
3. Living things grow and reproduce
4. Living things use energy and raw materials
5. Respond to their environment
6. maintains homeostasis
7. adaptive traits
what are humans made of? - correct answer ✔✔1. molecules
2. Cell
3. Tissue
4. Organ
5. organ systems
6. individual
7. population
Where do humans fit in the overal scheme of life? - correct answer ✔✔Eukarys
Animals
Invertabrates and vertabraes
Community - correct answer ✔✔All the species in an ecosystem that can interact
Ecosystem - correct answer ✔✔A community and its physical environment
,Biosphere - correct answer ✔✔The part of the eart that supports life
Critical thinking involves - correct answer ✔✔inductive reasoning
deductive reasoning
inductive reasoning - correct answer ✔✔individual facts lead to a general conclusion
deductive reasoning - correct answer ✔✔a general statement leads logically to a specific conclusion, "if,
then"
Human Science involves - correct answer ✔✔clinical trials
epidemiological studies
Clinical trials - correct answer ✔✔Use human volunteers after successful, safe initial animal studies
- 3 phases: with increasing numbers before FDA approval
- gold standard
Epidemiological - correct answer ✔✔Observe patterns that occur in large populations
Gold Standards - correct answer ✔✔double blind placebo-controlled studies
How to tell the difference between psuedoscience and science - correct answer ✔✔Is the information
consistent with information from other credible sources?
How reliable is the source of the information?
Were proper scientific procedures employed?
Were experimental results properly interpreted? (+ check the methods!)
Are there any other possible explanations for the results?
, Chemistry - correct answer ✔✔is the basis
of matter
and life (Biology!)
Matter - correct answer ✔✔takes up space and has mass
Atoms - correct answer ✔✔units of matter
cannot be broken into smaller substances by ordinary chemical means
made of protons, neutrons, electrons
Element - correct answer ✔✔pure form of matter with only one kind of atom
Isotopes - correct answer ✔✔atoms with the same number of protons (and electrons) but different
number of neutrons
Radioisotopes - correct answer ✔✔are unstable and emit particles or energy
Ion - correct answer ✔✔an atom that has gained or lost electrons; has a + or - charge
Molecule - correct answer ✔✔two or more atoms that join together by chemical bonds
Compound - correct answer ✔✔a molecule made of two or more elements
Organic Molecules - correct answer ✔✔contain carbon-carbon bonds
Inorganic Molecules - correct answer ✔✔No carbon-carbon bonds
electron shells - correct answer ✔✔of an atom are involved in bonding
Are complete with 2 electrons in the first "shell" and 8 electrons in successive "shells"
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