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Bio 200 Lab Quizzes Solved 2024
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Bio 200 Lab Quizzes Solved 2024
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Bio 200 Lab Quizzes Solved 2024A control treatment is a condition where -- - ANSWER-the independent variable is either
eliminated or set to a standard value
A graph plotting the data is called a -- - ANSWER-histogram
any info gathered through inductive reasoning has --- - ANSWER-a level of uncertainty
any info gathered through observations & experiments is known as - ANSWER-
inductive reasoning
Biologists use the word --- to say how good a particular individual is at producing
offspring - ANSWER-fitness
Can this be answered with a scientific inquiry?
Do blondes make better dance partners? - ANSWER-no
Can this be answered with a scientific inquiry?
What is the cause of polio? - ANSWER-yes
Can this be answered with a scientific inquiry?
When will your plum tree produce ripe fruit? - ANSWER-yes
Can this be answered with a scientific inquiry?
Why do bad things sometimes happen to good people? - ANSWER-no
(what's bad? what's good?)
Carl Woese was analyzing --- - ANSWER-invisible traits, namely DNA sequences.
He compared sequences from a gene for ribosomal RNA across many species
Circle represents - ANSWER-trait evolves
controls in an experiment - ANSWER-something that you can compare experiment to
Covergent evolution - ANSWER-when a derived trait evolves independently in two
lineages
**usually appears via diff pathways in the two species and close examination of the trait
will show that covergence is at work
, Dependent variables - ANSWER-things that are expected to change in response to
variation in independent variables
dependent variables ** - ANSWER-results depend on independent variables
Describe the scientific method
& if reject... - ANSWER--Make observations
-Ask questions
-Check accumulated scientific data
-Formulate hypothesis
-run multiple controlled experiments
-make conclusions and accept of reject orig hypothesis
-report findings
**if reject.. formulate new hypothesis
Disruptive selection - ANSWER-both extremes have high survival, while mean
phenotypes have low survival
-mean doesn't change
DNA provided an historical record of --- - ANSWER-it's evolution
Do homoplasies help systematists make natural classifications? - ANSWER-no
Domain archaea includes all - ANSWER-of the ancient bacteria
Domain bacteria includes the --- - ANSWER-true bacteria
Domain Eukarya includes all the organisms within the four eukaryotic kingdoms --- -
ANSWER-Animalia, Plantae, Protista, and Fungi
Ernest Haeckl proposed creating a third kingdom called --- - ANSWER-Protista
Ex: Stair climbing for cows, chicken and zebras
indpt-
dependt- - ANSWER-indpt- species
dependent- rate of stair climbing
Forms of selection - ANSWER-Directional
Stabilizing
Disruptive
no selection
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