Answer:
The method of determining population size is the population not aware of the sampler’s presence is indirect observation.
D
Answer:
The further you move down a classification pyramid, the fewer species there will be at each level >:3
Explanation:
:3
Oxygen ... The biogeochemical cycle of phosphorus differs from the cycles of carbon and nit.
Saturated fatty acids are chains of single bonded carbons surrounded by hydrogen atoms.
Unsaturated fatty acids have bent structures due to double bonding between carbon atoms in the chain. When carbons create double bonds with each other they are no longer able to hold as many hydrogens as a saturated fatty acid
