- Jenny's dad is taking part in an experiment to determine how well a new diabetes medicine works. In this experiment, the people in group A are taking the new
medication. The people in group B, including Jenny's dad, are taking a pill that does
not contain the new medication.
a. What is the independent variable?
b. What is the dependent variable?
c. What is the control?
d. What is the experimental group?

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.