Do population density studies take into effect water bodies for terrestrial organisms? Why do you think this might cause mistakes in calculations?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi