The map shows white areas that used to be covered by glaciers. Arrows show directions that glaciers moved. Based on the arrows, which red point was probably closest to the South Pole at the time of Pangaea? A

B

C

D​

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?