Question

What would be the independent variable in the following hypothesis?

If sea turtle sickness is related to red tide, then an increase in red tide will result in an increase in sea turtle sickness.

Answer 1

sea turtle sickness

red tide

the beach

plants in the water

Answer 2

independent variable is what could be changed and in this case because you dependent variable is sea turtles getting sick your independent variable would be the amount of red tide so the answer over all would be red tide :)