Bio 122 Drexel Exam 1 Questions With Correct Answers.

Bio 122 Drexel Exam 1 Questions With
Correct Answers

What are the 5 unifying themes of bio? - CORRECT ANSWER✔✔-1.
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organizational hierarchy emerges function properties
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2. organisms interact w/environment
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3. unity
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4. diversity
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5. evolution mediated by natural selec.
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life emerges.... - CORRECT ANSWER✔✔-@ level of cell
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emergent properties - CORRECT ANSWER✔✔-new properties emerge @
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each level
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"the whole is greater than the sum of its parts"
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list of organizational hierarchy - CORRECT ANSWER✔✔-biosphere--
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>ecosystem-->community-->pop-->organism-->organ sys--> organs-- | |



>tissues-->cells-->organelles-->molecules-->atoms

, organelles - CORRECT ANSWER✔✔-macromolecular structures w/spec
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functions


cells - CORRECT ANSWER✔✔-living entities distinguished from their
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environment by a molecular membrane | | | |




from molecules to organelles to cells - CORRECT ANSWER✔✔--
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Organelles contain molecules, which are clusters of atoms held together
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by chemical bonds
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- An organelle is cellular structure that forms a specific function within
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some cells |




From cells to tissues to organs - CORRECT ANSWER✔✔-- A cell is a unit
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of living matter *separated from its environment by a boundary called a
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membrane*
-Each tissue has a specific function and is made up of a group of similar
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cells
-Each organ is made up of several different tissues
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Population - CORRECT ANSWER✔✔-individuals of a species within a
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specific area |




*ex. GW sharks in Atlantic Ocean
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