Based on the phosphorus cycle shown below, which process transforms inorganic sources of phosphorus to organic sources? a. uptake by plants and animals
b. decomposition by detritivores
c. uplifting and weathering of rocks
d. precipitates that form from a solution

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity