Describe how each layer of the earth is different based on its density and chemical composition. response describe the relative density of each layer as well as the different chemicals that make up the layer.

Each layer of earth has a different density the more in you go with the layers the more density is going to show up.
Crust-2.2g/cm^3
Upper mantle-3.4g/cm^3
Lower mantle-4.4g/cm^3
Outer core-9.9g/cm^3
Inner core-12.8g/cm^3

Hope I helped in something, Sorry if I didn't gave it my best shot:)

Holozoic nutrition refers to the regular animal nutrition mode whereas saprophytic nutrition refers to the nutrition mode of fungi and bacteria.

The answer would be dogs.