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Biology 101 (Exam 1 Review) Questions And Answers With Verified Solutions Latest Updated 2024
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Biology 101 (Exam 1 Review) Questions And Answers With Verified Solutions Latest Updated 2024
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Biology 101 (Exam 1 Review) QuestionsAnd Answers With Verified Solutions
Latest Updated 2024
What are the four major themes of biology? - ANSWER✔✔ emergent properties,
unity and diversity, evolution by natural selection, scientific processes
Emergent properties - ANSWER✔✔ the whole is more than the sum of its parts
Unity and Diversity - ANSWER✔✔ all life shares characteristics by is different in
many ways
Evolution by natural selection - ANSWER✔✔ Darwin's Theory of Evolution by
Natural Selection. More individuals are produced each generation that can survive.
Phenotypic variation exists among individuals and the variation is heritable. Those
individuals with heritable traits better suited to the environment will survive.
Scientific processes - ANSWER✔✔
What is "alive"? - ANSWER✔✔ response to stimuli, reproduction, grows and
develops, evolves, composed of cells, regulate their metabolic processes
Hypothesis vs Theory - ANSWER✔✔ (hypothesis) can be supported but never
proven true; (theory) a well-tested and widely accepted view that scientific
community agrees best explains certain observable facts
Observational Studies - ANSWER✔✔ only watching, not changing
Correlational studies - ANSWER✔✔ things are related, one causes the other
, Controlled experiments - ANSWER✔✔ study in which some subjects
(experimental subjects) are assigned to experience a specific experimental
condition, while similar subjects (control subjects) do not experience the
experimental condition
Sample size - ANSWER✔✔ it is the group of things you are experimenting on, it
is suppose to represent the population ( but not be too big )
Importance of scientific integrity - ANSWER✔✔ Objectivity and Honesty
repeated results
peer review
Pseudoscience: sounds scientific but is based on faulty or incomplete evidence
Cell theory - ANSWER✔✔ all organisms are made up cells
Why are some organisms unicellular / multicellular? - ANSWER✔✔ unicellular
organisms carry out all necessary activities/functions within a single cell
multicellular organisms can assign some necessary activities/functions to
specialized cells
Cell membrane structure / function - ANSWER✔✔ forms boundary of the
compartments of the cell
phospholipid bilayer
Proteins in the cell membrane are important for transport, substances go into and
out of the cell
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