Bio 182 Exam 1 questions well answered
to pass
Lamarck's ideas - correct answer ✔✔inheritance of acquired characteristics
inheritance of acquired characteristics - correct answer ✔✔changes that affect an organism during its
lifetime would be passed to it's offspring; Ex. Giraffes stretch necks for food, thus offspring develop larger
necks
evolution by natural selection - correct answer ✔✔the environment determines which individuals
survive and reproduce
conditions for natural selection - correct answer ✔✔phenotypes vary, are heritable, and affect
reproduction
how do bacterio become immune to antibiotics - correct answer ✔✔bacteria with variations that allow
them to survive are able to reproduce. They pass down the genes that grant immunity to the antibiotics
control - correct answer ✔✔an element in an experiment that is unchanged by other variables. used to
increase the reliability of an experiment
independent variable - correct answer ✔✔the variable that is manipulated during the experiment
dependent variable - correct answer ✔✔the variable that is effected by other variables; changes in
response to the independent variable
replicates - correct answer ✔✔doing this increases reliability of the experiment
sample size - correct answer ✔✔the number of subjects in the experiment; one too small produces
unreliable results
to pass
Lamarck's ideas - correct answer ✔✔inheritance of acquired characteristics
inheritance of acquired characteristics - correct answer ✔✔changes that affect an organism during its
lifetime would be passed to it's offspring; Ex. Giraffes stretch necks for food, thus offspring develop larger
necks
evolution by natural selection - correct answer ✔✔the environment determines which individuals
survive and reproduce
conditions for natural selection - correct answer ✔✔phenotypes vary, are heritable, and affect
reproduction
how do bacterio become immune to antibiotics - correct answer ✔✔bacteria with variations that allow
them to survive are able to reproduce. They pass down the genes that grant immunity to the antibiotics
control - correct answer ✔✔an element in an experiment that is unchanged by other variables. used to
increase the reliability of an experiment
independent variable - correct answer ✔✔the variable that is manipulated during the experiment
dependent variable - correct answer ✔✔the variable that is effected by other variables; changes in
response to the independent variable
replicates - correct answer ✔✔doing this increases reliability of the experiment
sample size - correct answer ✔✔the number of subjects in the experiment; one too small produces
unreliable results
