Scientists must be able to repeat an experiment and get very similar results; otherwise their conclusions will be questioned. if the results of a repeated experiment are different from the original results, the results of the experiment
a. lack bias
b. are precise
c. lack controls
d. are flawed

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

All eukaryotic cells contain small bodies called