An independent variable is A. Directly changed by the experimenter B. Manipulated by changes to the dependent Variable
C. The variable that is kept constant
D. A variable that is used as a control

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?

Construct at least two possible hypotheses for the student’s experiment.