Which of the following describes how ALL consumers get their energy? A. directly from the sun
B. from eating primary producers
C. from inorganic chemicals like hydrogen sulfide
D. from eating organisms that are living or were once living

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