Which of the following body systems work together to get cells the nutrients they need to carry out cellular respiration

Q1.8. continuing your studies, you perform a transplant experiment. you chisel up multiple rocks from the upper intertidal zone, each holding 10 individuals of species a, and move them to the lower intertidal zone among individuals of species c. you count the number of individuals of all species on the rocks every day for 30 days. based on your findings, what can you conclude? (remember that all 3 species settle in this zone at equal rates.)

Could someone me with number one you

Are the earth's ocean floor and continents the same age geologically? why or why not?