This called crude density. ... Density measure in terms of the amount of area available as living space is ecological density. Crude density includes all the land within the organism's range whereas ecological density includes only that portion of land that can actually be colonized by the species.
Answer: Crude density includes all the land within the organism's range whereas Ecological density includes only that portion of land that can actually be colonized by the species.This variation in density is important to both the species in question and its predators.
Fatty Acids: Saturated fatty acids have hydrocarbon chains connected by single bonds only. Unsaturated fatty acids have one or more double bonds. Each double bond may be in a cis or trans configuration.