An ecosystem is a closed system consisting of living and non-living things.
Trophic Level 1: Primary Producer
Trophic Level 2: Primary Consumer
Trophic Level 3: Secondary Consumer
Trophic Level 4: Tertiary Consumer
In telophase in mitosis, the nucleus splits and so does the cytoplasm and now you have two cells
Answer:
Density (ρ) = 7 gram/cubic centimeter
Explanation:
Density is the mass of an object divided by its volume.
Density often has units of grams per cubic centimeter (g/cm3).
So, the block of iron would have a density of ( 420 g / 60 cm^3 =) 7 gram/cubic centimeter
Inner Core, Outer Core, Mantle, and Crust.