Which phrase describes an ecosystem? A) a population of fish in a small lake
B) the wood of a rotting log
C) an entire desert, including abiotic and biotic factors
D) the community of organisms within a desert

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

What drives the atp synthase reactions that produce atp