Define organelle in your own words.

Would really appreciate it, i have an idea but not completely sure

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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