Which of the following best describes the characteristics of less fertile soils, increase in disease-carrying mosquitoes, and flooding of homes and villages?
a. effects of dams on society
b. effects of a decreasing beaver population
c. effects of agricultural farming
d. effects of density-dependent factors

Need ! will give 20 points! what are two ways that diatoms differ from slime molds? the external coverings of diatoms are made up of (silica, chitin or peptidoglycan), while slime molds have cell walls containing (silica, peptidoglycan or chitin). diatoms are (chemoheterotrophs, photoautotrophs or chemoautotrophs) because they make food through photosynthesis, while slime molds are (heterotrophs, phototrophs or autotrophs) because they eat decaying plant matter.