Unit 1
Which practices add to scientific knowledge?
inferring, predicting, drawing conclusions
What are the basic structural units of all living organisms?
Cells
Which option correctly defines gene?
a section of DNA that affects traits.
Which statement is an assumption used in the relative dating of rocks?
The sediment that the rock is taken from is not disturbed by a geological event.
Which option identifies a factor that would make the reasoning for a claim scientifically invalid?Which option defines innate behavior?
an activity or behavior that occurs naturally in an organism.
Which statement correctly defines the term scientific theory?
an explanation for observable phenomena.
If cell becomes severely damaged and cannot carry out its functions. What will happen?
The cell can no longer maintain life.
Which set of statements about genes in eukaryotic cells is correct?
Genes usually consist of two alleles. Each allele is located on a different chromosome.
Which statement defines variation?
phenotypic differences in organisms of the same species.
Which statement defines learned behavior?
an activity or behavior that is acquired by an organism through experience.
Which option identifies a factor that would make the reasoning for a claim scientifically invalid?
Which scientist discovered that new cells only come from existing cells?
Louis Pasteur
Which statement defines proteins?
Which statement defines fitness?
An organism’s ability to run long distances.
Which statement defines behavioral cycle?
a behavior that repeats at regular intervals.