Students from the University of Georgia are completing a field study to determine the impact the American alligator has on ecosystems over a 3-month period. In one area of the ecosystem, the students have removed the alligators and in another area they have left the alligators. What is the hypothesis the students are testing?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one