What organelle do you think this represents?
What is the analogy?

Which of the following systems in absorbing oxygen and releases carbon dioxide

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

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure